diff --git a/administrator/components/com_categories/models/categories.php b/administrator/components/com_categories/models/categories.php
index 5750db24708b4..e16fd4d4cdc2b 100644
--- a/administrator/components/com_categories/models/categories.php
+++ b/administrator/components/com_categories/models/categories.php
@@ -130,7 +130,7 @@ protected function getStoreId($id = '')
 		$id .= ':' . $this->getState('filter.access');
 		$id .= ':' . $this->getState('filter.language');
 		$id .= ':' . $this->getState('filter.level');
-		$id .= ':' . $this->getState('filter.tag');
+		$id .= ':' . serialize($this->getState('filter.tag'));
 
 		return parent::getStoreId($id);
 	}
@@ -153,7 +153,7 @@ protected function getListQuery()
 		$query->select(
 			$this->getState(
 				'list.select',
-				'a.id, a.title, a.alias, a.note, a.published, a.access' .
+				'DISTINCT a.id, a.title, a.alias, a.note, a.published, a.access' .
 				', a.checked_out, a.checked_out_time, a.created_user_id' .
 				', a.path, a.parent_id, a.level, a.lft, a.rgt' .
 				', a.language'
@@ -247,17 +247,34 @@ protected function getListQuery()
 			$query->where('a.language = ' . $db->quote($language));
 		}
 
-		// Filter by a single tag.
+		// Filter by a single or group of tags.
+		$hasTag = false;
 		$tagId = $this->getState('filter.tag');
 
 		if (is_numeric($tagId))
 		{
-			$query->where($db->quoteName('tagmap.tag_id') . ' = ' . (int) $tagId)
-				->join(
-					'LEFT', $db->quoteName('#__contentitem_tag_map', 'tagmap')
-					. ' ON ' . $db->quoteName('tagmap.content_item_id') . ' = ' . $db->quoteName('a.id')
-					. ' AND ' . $db->quoteName('tagmap.type_alias') . ' = ' . $db->quote($extension . '.category')
-				);
+			$hasTag = true;
+
+			$query->where($db->quoteName('tagmap.tag_id') . ' = ' . (int) $tagId);
+		}
+		elseif (is_array($tagId))
+		{
+			JArrayHelper::toInteger($tagId);
+			$tagId = implode(',', $tagId);
+			if (!empty($tagId))
+			{
+				$hasTag = true;
+
+				$query->where($db->quoteName('tagmap.tag_id') . ' IN (' . $tagId . ')');
+			}
+		}
+
+		if ($hasTag)
+		{
+			$query->join('LEFT', $db->quoteName('#__contentitem_tag_map', 'tagmap')
+						. ' ON ' . $db->quoteName('tagmap.content_item_id') . ' = ' . $db->quoteName('a.id')
+						. ' AND ' . $db->quoteName('tagmap.type_alias') . ' = ' . $db->quote($extension . '.category')
+					);
 		}
 
 		// Add the list ordering clause
@@ -360,7 +377,7 @@ public function getItems()
 
 	/**
 	 * Method to load the countItems method from the extensions
-	 * 
+	 *
 	 * @param   stdClass[]  &$items     The category items
 	 * @param   string      $extension  The category extension
 	 *
diff --git a/administrator/components/com_categories/models/forms/filter_categories.xml b/administrator/components/com_categories/models/forms/filter_categories.xml
index 3dd53359d3527..c46ae1297adc6 100644
--- a/administrator/components/com_categories/models/forms/filter_categories.xml
+++ b/administrator/components/com_categories/models/forms/filter_categories.xml
@@ -45,12 +45,13 @@
 		<field
 			name="tag"
 			type="tag"
+			mode="nested"
+			multiple="true"
+			class="multipleTags"
 			label="JOPTION_FILTER_TAG"
 			description="JOPTION_FILTER_TAG_DESC"
-			mode="nested"
 			onchange="this.form.submit();"
-			>
-			<option value="">JOPTION_SELECT_TAG</option>
+		>
 		</field>
 
 		<field
diff --git a/administrator/components/com_categories/views/categories/tmpl/default.php b/administrator/components/com_categories/views/categories/tmpl/default.php
index 4a4d02636c761..8bb74bac78277 100644
--- a/administrator/components/com_categories/views/categories/tmpl/default.php
+++ b/administrator/components/com_categories/views/categories/tmpl/default.php
@@ -16,6 +16,7 @@
 
 JHtml::_('bootstrap.tooltip');
 JHtml::_('behavior.multiselect');
+JHtml::_('formbehavior.chosen', '.multipleTags', null, array('placeholder_text_multiple' => JText::_('JOPTION_SELECT_TAG')));
 JHtml::_('formbehavior.chosen', 'select');
 
 $app       = JFactory::getApplication();
diff --git a/administrator/components/com_content/models/articles.php b/administrator/components/com_content/models/articles.php
index 5e525fed1236d..1a5011fa551dd 100644
--- a/administrator/components/com_content/models/articles.php
+++ b/administrator/components/com_content/models/articles.php
@@ -144,11 +144,12 @@ protected function getStoreId($id = '')
 	{
 		// Compile the store id.
 		$id .= ':' . $this->getState('filter.search');
-		$id .= ':' . $this->getState('filter.access');
+		$id .= ':' . serialize($this->getState('filter.access'));
 		$id .= ':' . $this->getState('filter.published');
-		$id .= ':' . $this->getState('filter.category_id');
-		$id .= ':' . $this->getState('filter.author_id');
+		$id .= ':' . serialize($this->getState('filter.category_id'));
+		$id .= ':' . serialize($this->getState('filter.author_id'));
 		$id .= ':' . $this->getState('filter.language');
+		$id .= ':' . serialize($this->getState('filter.tag'));
 
 		return parent::getStoreId($id);
 	}
@@ -172,7 +173,7 @@ protected function getListQuery()
 		$query->select(
 			$this->getState(
 				'list.select',
-				'a.id, a.title, a.alias, a.checked_out, a.checked_out_time, a.catid' .
+				'DISTINCT a.id, a.title, a.alias, a.checked_out, a.checked_out_time, a.catid' .
 					', a.state, a.access, a.created, a.created_by, a.created_by_alias, a.ordering, a.featured, a.language, a.hits' .
 					', a.publish_up, a.publish_down'
 			)
@@ -209,10 +210,18 @@ protected function getListQuery()
 		}
 
 		// Filter by access level.
-		if ($access = $this->getState('filter.access'))
+		$access = $this->getState('filter.access');
+
+		if (is_numeric($access))
 		{
 			$query->where('a.access = ' . (int) $access);
 		}
+		elseif(is_array($access))
+		{
+			JArrayHelper::toInteger($access);
+			$access = implode(',', $access);
+			$query->where('a.access IN (' . $access . ')');
+		}
 
 		// Implement View Level Access
 		if (!$user->authorise('core.admin'))
@@ -269,6 +278,13 @@ protected function getListQuery()
 			$query->where('a.created_by ' . $type . (int) $authorId);
 		}
 
+		elseif (is_array($authorId))
+		{
+			JArrayHelper::toInteger($categoryId);
+			$authorId = implode(',', $authorId);
+			$query->where('a.created_by IN (' . $authorId . ')');
+		}
+
 		// Filter by search in title.
 		$search = $this->getState('filter.search');
 
@@ -296,17 +312,34 @@ protected function getListQuery()
 			$query->where('a.language = ' . $db->quote($language));
 		}
 
-		// Filter by a single tag.
+		// Filter by a single or group of tags.
+		$hasTag = false;
 		$tagId = $this->getState('filter.tag');
 
 		if (is_numeric($tagId))
 		{
-			$query->where($db->quoteName('tagmap.tag_id') . ' = ' . (int) $tagId)
-				->join(
-					'LEFT', $db->quoteName('#__contentitem_tag_map', 'tagmap')
-					. ' ON ' . $db->quoteName('tagmap.content_item_id') . ' = ' . $db->quoteName('a.id')
-					. ' AND ' . $db->quoteName('tagmap.type_alias') . ' = ' . $db->quote('com_content.article')
-				);
+			$hasTag = true;
+
+			$query->where($db->quoteName('tagmap.tag_id') . ' = ' . (int) $tagId);
+		}
+		elseif (is_array($tagId))
+		{
+			JArrayHelper::toInteger($tagId);
+			$tagId = implode(',', $tagId);
+			if (!empty($tagId))
+			{
+				$hasTag = true;
+
+				$query->where($db->quoteName('tagmap.tag_id') . ' IN (' . $tagId . ')');
+			}
+		}
+
+		if ($hasTag)
+		{
+			$query->join('LEFT', $db->quoteName('#__contentitem_tag_map', 'tagmap')
+						. ' ON ' . $db->quoteName('tagmap.content_item_id') . ' = ' . $db->quoteName('a.id')
+						. ' AND ' . $db->quoteName('tagmap.type_alias') . ' = ' . $db->quote('com_content.article')
+					);
 		}
 
 		// Add the list ordering clause.
diff --git a/administrator/components/com_content/models/featured.php b/administrator/components/com_content/models/featured.php
index f5d2ef8faeb59..ae8aa12f4c785 100644
--- a/administrator/components/com_content/models/featured.php
+++ b/administrator/components/com_content/models/featured.php
@@ -79,7 +79,7 @@ protected function getListQuery($resolveFKs = true)
 		$query->select(
 			$this->getState(
 				'list.select',
-				'a.id, a.title, a.alias, a.checked_out, a.checked_out_time, a.catid, a.state, a.access, a.created, a.hits,' .
+				'DISTINCT a.id, a.title, a.alias, a.checked_out, a.checked_out_time, a.catid, a.state, a.access, a.created, a.hits,' .
 					'a.featured, a.language, a.created_by_alias, a.publish_up, a.publish_down'
 			)
 		);
@@ -110,10 +110,18 @@ protected function getListQuery($resolveFKs = true)
 			->join('LEFT', '#__users AS ua ON ua.id = a.created_by');
 
 		// Filter by access level.
-		if ($access = $this->getState('filter.access'))
+		$access = $this->getState('filter.access');
+
+		if (is_numeric($access))
 		{
 			$query->where('a.access = ' . (int) $access);
 		}
+		elseif(is_array($access))
+		{
+			JArrayHelper::toInteger($access);
+			$access = implode(',', $access);
+			$query->where('a.access IN (' . $access . ')');
+		}
 
 		// Filter by published state
 		$published = $this->getState('filter.published');
@@ -162,6 +170,13 @@ protected function getListQuery($resolveFKs = true)
 			$query->where('a.created_by ' . $type . (int) $authorId);
 		}
 
+		elseif (is_array($authorId))
+		{
+			JArrayHelper::toInteger($categoryId);
+			$authorId = implode(',', $authorId);
+			$query->where('a.created_by IN (' . $authorId . ')');
+		}
+
 		// Filter by search in title.
 		$search = $this->getState('filter.search');
 
@@ -189,17 +204,34 @@ protected function getListQuery($resolveFKs = true)
 			$query->where('a.language = ' . $db->quote($language));
 		}
 
-		// Filter by a single tag.
+		// Filter by a single or group of tags.
+		$hasTag = false;
 		$tagId = $this->getState('filter.tag');
 
 		if (is_numeric($tagId))
 		{
-			$query->where($db->quoteName('tagmap.tag_id') . ' = ' . (int) $tagId)
-				->join(
-					'LEFT', $db->quoteName('#__contentitem_tag_map', 'tagmap')
-					. ' ON ' . $db->quoteName('tagmap.content_item_id') . ' = ' . $db->quoteName('a.id')
-					. ' AND ' . $db->quoteName('tagmap.type_alias') . ' = ' . $db->quote('com_content.article')
-				);
+			$hasTag = true;
+
+			$query->where($db->quoteName('tagmap.tag_id') . ' = ' . (int) $tagId);
+		}
+		elseif (is_array($tagId))
+		{
+			JArrayHelper::toInteger($tagId);
+			$tagId = implode(',', $tagId);
+			if (!empty($tagId))
+			{
+				$hasTag = true;
+
+				$query->where($db->quoteName('tagmap.tag_id') . ' IN (' . $tagId . ')');
+			}
+		}
+
+		if ($hasTag)
+		{
+			$query->join('LEFT', $db->quoteName('#__contentitem_tag_map', 'tagmap')
+						. ' ON ' . $db->quoteName('tagmap.content_item_id') . ' = ' . $db->quoteName('a.id')
+						. ' AND ' . $db->quoteName('tagmap.type_alias') . ' = ' . $db->quote('com_content.article')
+					);
 		}
 
 		// Add the list ordering clause.
diff --git a/administrator/components/com_content/models/forms/filter_articles.xml b/administrator/components/com_content/models/forms/filter_articles.xml
index 51e0dca100994..ed5b7f03c0026 100644
--- a/administrator/components/com_content/models/forms/filter_articles.xml
+++ b/administrator/components/com_content/models/forms/filter_articles.xml
@@ -20,32 +20,35 @@
 		<field
 			name="category_id"
 			type="category"
+			multiple="true"
+			class="multipleCategories"
 			label="JOPTION_FILTER_CATEGORY"
 			extension="com_content"
 			description="JOPTION_FILTER_CATEGORY_DESC"
 			onchange="this.form.submit();"
 			published="0,1,2"
 			>
-			<option value="">JOPTION_SELECT_CATEGORY</option>
 		</field>
 		<field
 			name="access"
 			type="accesslevel"
+			multiple="true"
+			class="multipleAccessLevels"
 			label="JOPTION_FILTER_ACCESS"
 			description="JOPTION_FILTER_ACCESS_DESC"
 			onchange="this.form.submit();"
 			>
-			<option value="">JOPTION_SELECT_ACCESS</option>
 		</field>
 		<field
-                	name="author_id"
-                	type="author"
-                	label="COM_CONTENT_FILTER_AUTHOR"
-                	description="COM_CONTENT_FILTER_AUTHOR_DESC"
-                	onchange="this.form.submit();"
-                	>
-            		<option value="">JOPTION_SELECT_AUTHOR</option>
-        	</field>
+			name="author_id"
+			type="author"
+			multiple="true"
+			class="multipleAuthors"
+			label="COM_CONTENT_FILTER_AUTHOR"
+			description="COM_CONTENT_FILTER_AUTHOR_DESC"
+			onchange="this.form.submit();"
+			>
+		</field>
 		<field
 			name="language"
 			type="contentlanguage"
@@ -60,11 +63,12 @@
 			name="tag"
 			type="tag"
 			mode="nested"
+			multiple="true"
+			class="multipleTags"
 			label="JOPTION_FILTER_TAG"
 			description="JOPTION_FILTER_TAG_DESC"
 			onchange="this.form.submit();"
 		>
-			<option value="">JOPTION_SELECT_TAG</option>
 		</field>
 	        <field
         	        name="level"
diff --git a/administrator/components/com_content/models/forms/filter_featured.xml b/administrator/components/com_content/models/forms/filter_featured.xml
index 1982c54a48839..8de5e0229742d 100644
--- a/administrator/components/com_content/models/forms/filter_featured.xml
+++ b/administrator/components/com_content/models/forms/filter_featured.xml
@@ -20,31 +20,47 @@
 		<field
 			name="category_id"
 			type="category"
+			multiple="true"
+			class="multipleCategories"
 			label="JOPTION_FILTER_CATEGORY"
 			extension="com_content"
 			description="JOPTION_FILTER_CATEGORY_DESC"
 			onchange="this.form.submit();"
 			>
-			<option value="">JOPTION_SELECT_CATEGORY</option>
+		</field>
+		<field
+			name="level"
+			type="integer"
+			first="1"
+			last="10"
+			step="1"
+			label="JOPTION_FILTER_LEVEL"
+			languages="*"
+			description="JOPTION_FILTER_LEVEL_DESC"
+			onchange="this.form.submit();"
+			>
+			<option value="">JOPTION_SELECT_MAX_LEVELS</option>
+		</field>
+		<field
+			name="author_id"
+			type="author"
+			multiple="true"
+			class="multipleAuthors"
+			label="COM_CONTENT_FILTER_AUTHOR"
+			description="COM_CONTENT_FILTER_AUTHOR_DESC"
+			onchange="this.form.submit();"
+			>
 		</field>
 		<field
 			name="access"
 			type="accesslevel"
+			multiple="true"
+			class="multipleAccessLevels"
 			label="JOPTION_FILTER_ACCESS"
 			description="JOPTION_FILTER_ACCESS_DESC"
 			onchange="this.form.submit();"
 			>
-			<option value="">JOPTION_SELECT_ACCESS</option>
 		</field>
-		<field
-                	name="author_id"
-                	type="author"
-                	label="COM_CONTENT_FILTER_AUTHOR"
-                	description="COM_CONTENT_FILTER_AUTHOR_DESC"
-                	onchange="this.form.submit();"
-                	>
-        		<option value="">JOPTION_SELECT_AUTHOR</option>
-        	</field>
 		<field
 			name="language"
 			type="contentlanguage"
@@ -59,25 +75,13 @@
 			name="tag"
 			type="tag"
 			mode="nested"
+			multiple="true"
+			class="multipleTags"
 			label="JOPTION_FILTER_TAG"
 			description="JOPTION_FILTER_TAG_DESC"
 			onchange="this.form.submit();"
 		>
-			<option value="">JOPTION_SELECT_TAG</option>
 		</field>
-        	<field
-                	name="level"
-                	type="integer"
-                	first="1"
-                	last="10"
-                	step="1"
-                	label="JOPTION_FILTER_LEVEL"
-                	languages="*"
-                	description="JOPTION_FILTER_LEVEL_DESC"
-                	onchange="this.form.submit();"
-                	>
-        		<option value="">JOPTION_SELECT_MAX_LEVELS</option>
-        	</field>
 	</fields>
 	<fields name="list">
 		<field
diff --git a/administrator/components/com_content/views/articles/tmpl/default.php b/administrator/components/com_content/views/articles/tmpl/default.php
index 9b2876b9a3760..5cf00035a5264 100644
--- a/administrator/components/com_content/views/articles/tmpl/default.php
+++ b/administrator/components/com_content/views/articles/tmpl/default.php
@@ -13,6 +13,10 @@
 
 JHtml::_('bootstrap.tooltip');
 JHtml::_('behavior.multiselect');
+JHtml::_('formbehavior.chosen', '.multipleAccessLevels', null, array('placeholder_text_multiple' => JText::_('JOPTION_SELECT_ACCESS')));
+JHtml::_('formbehavior.chosen', '.multipleAuthors', null, array('placeholder_text_multiple' => JText::_('JOPTION_SELECT_AUTHOR')));
+JHtml::_('formbehavior.chosen', '.multipleCategories', null, array('placeholder_text_multiple' => JText::_('JOPTION_SELECT_CATEGORY')));
+JHtml::_('formbehavior.chosen', '.multipleTags', null, array('placeholder_text_multiple' => JText::_('JOPTION_SELECT_TAG')));
 JHtml::_('formbehavior.chosen', 'select');
 
 $app       = JFactory::getApplication();
diff --git a/administrator/components/com_content/views/featured/tmpl/default.php b/administrator/components/com_content/views/featured/tmpl/default.php
index 161469ce2be31..a1a02696324a9 100644
--- a/administrator/components/com_content/views/featured/tmpl/default.php
+++ b/administrator/components/com_content/views/featured/tmpl/default.php
@@ -13,6 +13,10 @@
 
 JHtml::_('bootstrap.tooltip');
 JHtml::_('behavior.multiselect');
+JHtml::_('formbehavior.chosen', '.multipleAccessLevels', null, array('placeholder_text_multiple' => JText::_('JOPTION_SELECT_ACCESS')));
+JHtml::_('formbehavior.chosen', '.multipleAuthors', null, array('placeholder_text_multiple' => JText::_('JOPTION_SELECT_AUTHOR')));
+JHtml::_('formbehavior.chosen', '.multipleCategories', null, array('placeholder_text_multiple' => JText::_('JOPTION_SELECT_CATEGORY')));
+JHtml::_('formbehavior.chosen', '.multipleTags', null, array('placeholder_text_multiple' => JText::_('JOPTION_SELECT_TAG')));
 JHtml::_('formbehavior.chosen', 'select');
 
 $user      = JFactory::getUser();
diff --git a/administrator/components/com_modules/views/module/tmpl/edit.php b/administrator/components/com_modules/views/module/tmpl/edit.php
index a51f41fdd9016..649502b7b58bc 100644
--- a/administrator/components/com_modules/views/module/tmpl/edit.php
+++ b/administrator/components/com_modules/views/module/tmpl/edit.php
@@ -14,6 +14,8 @@
 JHtml::_('behavior.formvalidator');
 JHtml::_('behavior.combobox');
 JHtml::_('formbehavior.chosen', 'select', null, array('disable_search_threshold' => 0));
+JHtml::_('formbehavior.chosen', '.multipleCategories', null, array('placeholder_text_multiple' => JText::_('JOPTION_SELECT_CATEGORY')));
+JHtml::_('formbehavior.chosen', '.multipleTags', null, array('placeholder_text_multiple' => JText::_('JOPTION_SELECT_TAG')));
 
 $hasContent = empty($this->item->module) ||  isset($this->item->xml->customContent);
 $hasContentFieldName = "content";
diff --git a/administrator/components/com_newsfeeds/models/newsfeeds.php b/administrator/components/com_newsfeeds/models/newsfeeds.php
index fb5ca49e8e8a6..8c4ef22ac8c8f 100644
--- a/administrator/components/com_newsfeeds/models/newsfeeds.php
+++ b/administrator/components/com_newsfeeds/models/newsfeeds.php
@@ -46,6 +46,7 @@ public function __construct($config = array())
 				'numarticles',
 				'tag',
 				'level', 'c.level',
+				'tag',
 			);
 
 			$assoc = JLanguageAssociations::isEnabled();
@@ -130,8 +131,8 @@ protected function getStoreId($id = '')
 		$id .= ':' . $this->getState('filter.category_id');
 		$id .= ':' . $this->getState('filter.access');
 		$id .= ':' . $this->getState('filter.language');
-		$id .= ':' . $this->getState('filter.tag');
 		$id .= ':' . $this->getState('filter.level');
+		$id .= ':' . serialize($this->getState('filter.tag'));
 
 		return parent::getStoreId($id);
 	}
@@ -153,7 +154,7 @@ protected function getListQuery()
 		$query->select(
 			$this->getState(
 				'list.select',
-				'a.id, a.name, a.alias, a.checked_out, a.checked_out_time, a.catid,' .
+				'DISTINCT a.id, a.name, a.alias, a.checked_out, a.checked_out_time, a.catid,' .
 					' a.numarticles, a.cache_time,' .
 					' a.published, a.access, a.ordering, a.language, a.publish_up, a.publish_down'
 			)
@@ -248,17 +249,34 @@ protected function getListQuery()
 			$query->where($db->quoteName('a.language') . ' = ' . $db->quote($language));
 		}
 
-		// Filter by a single tag.
+		// Filter by a single or group of tags.
+		$hasTag = false;
 		$tagId = $this->getState('filter.tag');
 
 		if (is_numeric($tagId))
 		{
-			$query->where($db->quoteName('tagmap.tag_id') . ' = ' . (int) $tagId)
-				->join(
-					'LEFT', $db->quoteName('#__contentitem_tag_map', 'tagmap')
-					. ' ON ' . $db->quoteName('tagmap.content_item_id') . ' = ' . $db->quoteName('a.id')
-					. ' AND ' . $db->quoteName('tagmap.type_alias') . ' = ' . $db->quote('com_newsfeeds.newsfeed')
-				);
+			$hasTag = true;
+
+			$query->where($db->quoteName('tagmap.tag_id') . ' = ' . (int) $tagId);
+		}
+		elseif (is_array($tagId))
+		{
+			JArrayHelper::toInteger($tagId);
+			$tagId = implode(',', $tagId);
+			if (!empty($tagId))
+			{
+				$hasTag = true;
+
+				$query->where($db->quoteName('tagmap.tag_id') . ' IN (' . $tagId . ')');
+			}
+		}
+
+		if ($hasTag)
+		{
+			$query->join('LEFT', $db->quoteName('#__contentitem_tag_map', 'tagmap')
+						. ' ON ' . $db->quoteName('tagmap.content_item_id') . ' = ' . $db->quoteName('a.id')
+						. ' AND ' . $db->quoteName('tagmap.type_alias') . ' = ' . $db->quote('com_newsfeeds.newsfeed')
+					);
 		}
 
 		// Add the list ordering clause.
diff --git a/administrator/language/en-GB/en-GB.ini b/administrator/language/en-GB/en-GB.ini
index 2ff06b3d36883..97fc33c74b3d9 100644
--- a/administrator/language/en-GB/en-GB.ini
+++ b/administrator/language/en-GB/en-GB.ini
@@ -799,6 +799,7 @@ JOPTION_ACCESS_SHOW_ALL_ACCESS="Show All Access"
 JOPTION_ACCESS_SHOW_ALL_GROUPS="Show All Groups"
 JOPTION_ACCESS_SHOW_ALL_LEVELS="Show All Access Levels"
 JOPTION_ALL_CATEGORIES="- All Categories -"
+JOPTION_ALL_TAGS="- All Tags -"
 JOPTION_ANY_CATEGORY="Any Category"
 JOPTION_ANY="Any"
 JOPTION_DO_NOT_USE="- None Selected -"
diff --git a/components/com_content/models/articles.php b/components/com_content/models/articles.php
index 15d0fa8f61967..ffee9300d685c 100644
--- a/components/com_content/models/articles.php
+++ b/components/com_content/models/articles.php
@@ -50,7 +50,8 @@ public function __construct($config = array())
 				'publish_down', 'a.publish_down',
 				'images', 'a.images',
 				'urls', 'a.urls',
-				'filter_tag'
+				'filter_tag',
+				'tag'
 			);
 		}
 
@@ -162,6 +163,7 @@ protected function getStoreId($id = '')
 		$id .= ':' . $this->getState('filter.start_date_range');
 		$id .= ':' . $this->getState('filter.end_date_range');
 		$id .= ':' . $this->getState('filter.relative_date');
+		$id .= ':' . serialize($this->getState('filter.tag'));
 
 		return parent::getStoreId($id);
 	}
@@ -186,7 +188,7 @@ protected function getListQuery()
 		$query->select(
 			$this->getState(
 				'list.select',
-				'a.id, a.title, a.alias, a.introtext, a.fulltext, ' .
+				'DISTINCT a.id, a.title, a.alias, a.introtext, a.fulltext, ' .
 					'a.checked_out, a.checked_out_time, ' .
 					'a.catid, a.created, a.created_by, a.created_by_alias, ' .
 					// Use created if modified is 0
@@ -532,17 +534,34 @@ protected function getListQuery()
 			$query->where('a.language in (' . $db->quote(JFactory::getLanguage()->getTag()) . ',' . $db->quote('*') . ')');
 		}
 
-		// Filter by a single tag.
+		// Filter by a single or group of tags.
+		$hasTag = false;
 		$tagId = $this->getState('filter.tag');
 
-		if (!empty($tagId) && is_numeric($tagId))
+		if (is_numeric($tagId))
 		{
-			$query->where($db->quoteName('tagmap.tag_id') . ' = ' . (int) $tagId)
-				->join(
-					'LEFT', $db->quoteName('#__contentitem_tag_map', 'tagmap')
-					. ' ON ' . $db->quoteName('tagmap.content_item_id') . ' = ' . $db->quoteName('a.id')
-					. ' AND ' . $db->quoteName('tagmap.type_alias') . ' = ' . $db->quote('com_content.article')
-				);
+			$hasTag = true;
+
+			$query->where($db->quoteName('tagmap.tag_id') . ' = ' . (int) $tagId);
+		}
+		elseif (is_array($tagId))
+		{
+			JArrayHelper::toInteger($tagId);
+			$tagId = implode(',', $tagId);
+			if (!empty($tagId))
+			{
+				$hasTag = true;
+
+				$query->where($db->quoteName('tagmap.tag_id') . ' IN (' . $tagId . ')');
+			}
+		}
+
+		if ($hasTag)
+		{
+			$query->join('LEFT', $db->quoteName('#__contentitem_tag_map', 'tagmap')
+						. ' ON ' . $db->quoteName('tagmap.content_item_id') . ' = ' . $db->quoteName('a.id')
+						. ' AND ' . $db->quoteName('tagmap.type_alias') . ' = ' . $db->quote('com_content.article')
+					);
 		}
 
 		// Add the list ordering clause.
diff --git a/modules/mod_articles_news/helper.php b/modules/mod_articles_news/helper.php
index d41ceebf2620a..414fbb5e8a0bd 100644
--- a/modules/mod_articles_news/helper.php
+++ b/modules/mod_articles_news/helper.php
@@ -58,6 +58,9 @@ public static function getList(&$params)
 		// Filter by language
 		$model->setState('filter.language', $app->getLanguageFilter());
 
+		// Filter by tag
+		$model->setState('filter.tag', $params->get('tag'), array());
+
 		// Set ordering
 		$ordering = $params->get('ordering', 'a.publish_up');
 		$model->setState('list.ordering', $ordering);
diff --git a/modules/mod_articles_news/mod_articles_news.xml b/modules/mod_articles_news/mod_articles_news.xml
index 9eba4e0ce235b..1d1a675a8437c 100644
--- a/modules/mod_articles_news/mod_articles_news.xml
+++ b/modules/mod_articles_news/mod_articles_news.xml
@@ -25,14 +25,25 @@
 				<field
 					name="catid"
 					type="category"
-					label="JCATEGORY"
-					description="MOD_ARTICLES_NEWS_FIELD_CATEGORY_DESC"
 					extension="com_content"
 					multiple="true"
+					class="multipleCategories"
 					default=""
 					size="10"
-					>
-					<option value="">JOPTION_ALL_CATEGORIES</option>
+					label="JCATEGORY"
+					description="MOD_ARTICLES_NEWS_FIELD_CATEGORY_DESC"
+				>
+				</field>
+
+				<field
+					name="tag"
+					type="tag"
+					mode="nested"
+					multiple="true"
+					class="multipleTags"
+					label="JTAG"
+					description="JTAG_DESC"
+				>
 				</field>
 
 				<field