diff --git a/components/i18n/languages/calendar/sl_SI.ts b/components/i18n/languages/calendar/sl_SI.ts
new file mode 100644
index 0000000000..208b30ea24
--- /dev/null
+++ b/components/i18n/languages/calendar/sl_SI.ts
@@ -0,0 +1,27 @@
+export default {
+  today: 'Danes',
+  now: 'Zdaj',
+  backToToday: 'Nazaj na danes',
+  ok: 'V redu',
+  clear: 'Počisti',
+  month: 'Mesec',
+  year: 'Leto',
+  timeSelect: 'Izberi čas',
+  dateSelect: 'Izberi datum',
+  monthSelect: 'Izberi mesec',
+  yearSelect: 'Izberi leto',
+  decadeSelect: 'Izberi desetletje',
+  yearFormat: 'YYYY',
+  dateFormat: 'DD.MM.YYYY',
+  dayFormat: 'D',
+  dateTimeFormat: 'DD.MM.YYYY HH:mm:ss',
+  monthBeforeYear: true,
+  previousMonth: 'Predhodnji mesec (PageUp)',
+  nextMonth: 'Naslednji mesec (PageDown)',
+  previousYear: 'Prejšnje leto (Control + left)',
+  nextYear: 'Naslednje leto (Control + right)',
+  previousDecade: 'Prejšnje desetletje',
+  nextDecade: 'Naslednje desetletje',
+  previousCentury: 'Prejšnje stoletje',
+  nextCentury: 'Naslednje stoletje',
+};
diff --git a/components/i18n/languages/date-picker/sl_SI.ts b/components/i18n/languages/date-picker/sl_SI.ts
new file mode 100644
index 0000000000..9f76f2b69e
--- /dev/null
+++ b/components/i18n/languages/date-picker/sl_SI.ts
@@ -0,0 +1,19 @@
+import CalendarLocale from '../calendar/sl_SI';
+import TimePickerLocale from '../time-picker/sl_SI';
+
+// Merge into a locale object
+const locale = {
+  lang: {
+    placeholder: 'Izberite datum',
+    rangePlaceholder: ['Začetni datum', 'Končni datum'],
+    ...CalendarLocale,
+  },
+  timePickerLocale: {
+    ...TimePickerLocale,
+  },
+};
+
+// All settings at:
+// https://github.com/ant-design/ant-design/blob/master/components/date-picker/locale/example.json
+
+export default locale;
diff --git a/components/i18n/languages/pagination/sl_SI.ts b/components/i18n/languages/pagination/sl_SI.ts
new file mode 100644
index 0000000000..69923815fd
--- /dev/null
+++ b/components/i18n/languages/pagination/sl_SI.ts
@@ -0,0 +1,15 @@
+export default {
+  // Options.jsx
+  items_per_page: '/ stran',
+  jump_to: 'Pojdi na',
+  jump_to_confirm: 'potrdi',
+  page: '',
+
+  // Pagination.jsx
+  prev_page: 'Prejšnja stran',
+  next_page: 'Naslednja stran',
+  prev_5: 'Prejšnjih 5 Strani',
+  next_5: 'Naslednjih 5 Strani',
+  prev_3: 'Prejšnje 3 Strani',
+  next_3: 'Naslednje 3 Strani',
+};
diff --git a/components/i18n/languages/sl_SI.ts b/components/i18n/languages/sl_SI.ts
new file mode 100644
index 0000000000..779c1d4307
--- /dev/null
+++ b/components/i18n/languages/sl_SI.ts
@@ -0,0 +1,44 @@
+import Calendar from './calendar/sl_SI';
+import DatePicker from './date-picker/sl_SI';
+import Pagination from './pagination/sl_SI';
+import TimePicker from './time-picker/sl_SI';
+
+export default {
+  locale: 'sl',
+  Pagination,
+  DatePicker,
+  TimePicker,
+  Calendar,
+  Table: {
+    filterTitle: 'Filter',
+    filterConfirm: 'Potrdi',
+    filterReset: 'Ponastavi',
+    emptyText: 'Ni podataka',
+    selectAll: 'Izberi trenutno stran',
+    selectInvert: 'Obrni vrstni red izbora',
+  },
+  Modal: {
+    okText: 'V redu',
+    cancelText: 'Prekliči',
+    justOkText: 'V redu',
+  },
+  Popconfirm: {
+    okText: 'V redu',
+    cancelText: 'Prekliči',
+  },
+  Transfer: {
+    notFoundContent: 'Ni zadetkov',
+    searchPlaceholder: 'Išči tukaj',
+    itemUnit: 'vnos',
+    itemsUnit: 'vnosi',
+  },
+  Select: {
+    notFoundContent: 'Ni zadetkov',
+  },
+  Upload: {
+    uploading: 'Nalaganje...',
+    removeFile: 'Odstrani datoteko',
+    uploadError: 'Napaka pri nalaganju',
+    previewFile: 'Predogled datoteke',
+  },
+};
diff --git a/components/i18n/languages/time-picker/sl_SI.ts b/components/i18n/languages/time-picker/sl_SI.ts
new file mode 100644
index 0000000000..1d77c9a5be
--- /dev/null
+++ b/components/i18n/languages/time-picker/sl_SI.ts
@@ -0,0 +1,5 @@
+const locale = {
+  placeholder: 'Izberite čas',
+};
+
+export default locale;
diff --git a/components/i18n/public-api.ts b/components/i18n/public-api.ts
index 7d4c0ee4ac..0e170e497b 100644
--- a/components/i18n/public-api.ts
+++ b/components/i18n/public-api.ts
@@ -28,6 +28,7 @@ export { default as pt_BR } from './languages/pt_BR';
 export { default as pt_PT } from './languages/pt_PT';
 export { default as ru_RU } from './languages/ru_RU';
 export { default as sk_SK } from './languages/sk_SK';
+export { default as sl_SI } from './languages/sl_SI';
 export { default as sr_RS } from './languages/sr_RS';
 export { default as sv_SE } from './languages/sv_SE';
 export { default as th_TH } from './languages/th_TH';