diff --git a/app/Http/Controllers/Admin/UsersController.php b/app/Http/Controllers/Admin/UsersController.php
index 6db078a67..dd7766937 100644
--- a/app/Http/Controllers/Admin/UsersController.php
+++ b/app/Http/Controllers/Admin/UsersController.php
@@ -4,6 +4,7 @@
 
 use App\Http\Controllers\Controller;
 use App\Http\Middleware\VerifyAdmins;
+use App\Http\Requests\BanRequest;
 use App\Jobs\BanUser;
 use App\Jobs\DeleteUser;
 use App\Jobs\UnbanUser;
@@ -30,11 +31,11 @@ public function index()
         return view('admin.users', compact('users', 'adminSearch'));
     }
 
-    public function ban(User $user)
+    public function ban(BanRequest $request, User $user)
     {
         $this->authorize(UserPolicy::BAN, $user);
 
-        $this->dispatchSync(new BanUser($user));
+        $this->dispatchSync(new BanUser($user, $request->get('reason')));
 
         $this->success('admin.users.banned', $user->name());
 
diff --git a/app/Http/Requests/BanRequest.php b/app/Http/Requests/BanRequest.php
new file mode 100644
index 000000000..df65e1943
--- /dev/null
+++ b/app/Http/Requests/BanRequest.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class BanRequest extends FormRequest
+{
+    public function authorize()
+    {
+        return true;
+    }
+
+    public function rules()
+    {
+        return [
+            'reason' => 'required|string',
+        ];
+    }
+
+    public function reason(): string
+    {
+        return $this->get('reason');
+    }
+}
diff --git a/app/Jobs/BanUser.php b/app/Jobs/BanUser.php
index 9c780a632..54c4fd364 100644
--- a/app/Jobs/BanUser.php
+++ b/app/Jobs/BanUser.php
@@ -7,13 +7,14 @@
 
 final class BanUser
 {
-    public function __construct(private User $user)
+    public function __construct(private User $user, private $reason)
     {
     }
 
     public function handle(): void
     {
         $this->user->banned_at = Carbon::now();
+        $this->user->banned_reason = $this->reason;
         $this->user->save();
     }
 }
diff --git a/app/Jobs/UnbanUser.php b/app/Jobs/UnbanUser.php
index 842e3ba74..566789ba4 100644
--- a/app/Jobs/UnbanUser.php
+++ b/app/Jobs/UnbanUser.php
@@ -13,6 +13,7 @@ public function __construct(private User $user)
     public function handle(): void
     {
         $this->user->banned_at = null;
+        $this->user->banned_reason = null;
         $this->user->save();
     }
 }
diff --git a/app/Models/User.php b/app/Models/User.php
index 268890299..db674bd06 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -49,6 +49,7 @@ final class User extends Authenticatable implements MustVerifyEmail
         'type',
         'remember_token',
         'bio',
+        'banned_reason',
     ];
 
     /**
@@ -111,6 +112,11 @@ public function isBanned(): bool
         return ! is_null($this->banned_at);
     }
 
+    public function bannedReason(): ?string
+    {
+        return $this->banned_reason;
+    }
+
     public function type(): int
     {
         return (int) $this->type;
diff --git a/database/factories/UserFactory.php b/database/factories/UserFactory.php
index fe52d3316..742858a84 100644
--- a/database/factories/UserFactory.php
+++ b/database/factories/UserFactory.php
@@ -25,6 +25,7 @@ public function definition(): array
             'twitter' => $this->faker->unique()->userName(),
             'website' => 'https://laravel.io',
             'banned_at' => null,
+            'banned_reason' => null,
             'type' => User::DEFAULT,
             'bio' => $this->faker->sentence(),
             'email_verified_at' => now()->subDay(),
diff --git a/database/migrations/2022_10_15_150405_add_banned_reason_to_users_table.php b/database/migrations/2022_10_15_150405_add_banned_reason_to_users_table.php
new file mode 100644
index 000000000..70d4688c5
--- /dev/null
+++ b/database/migrations/2022_10_15_150405_add_banned_reason_to_users_table.php
@@ -0,0 +1,15 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up()
+    {
+        Schema::table('users', function (Blueprint $table) {
+            $table->text('banned_reason')->after('banned_at')->nullable();
+        });
+    }
+};
diff --git a/database/schema/mysql-schema.dump b/database/schema/mysql-schema.dump
index ee61e76f4..0b8c4e1c7 100644
--- a/database/schema/mysql-schema.dump
+++ b/database/schema/mysql-schema.dump
@@ -180,7 +180,7 @@ CREATE TABLE `replies` (
   `updated_by` bigint unsigned DEFAULT NULL,
   `deleted_at` timestamp NULL DEFAULT NULL,
   `deleted_by` int unsigned DEFAULT NULL,
-  `deleted_reason` text COLLATE utf8mb4_unicode_ci,
+  `deleted_reason` text CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci,
   PRIMARY KEY (`id`),
   UNIQUE KEY `replies_uuid_unique` (`uuid`),
   KEY `replies_author_id_index` (`author_id`),
@@ -191,6 +191,22 @@ CREATE TABLE `replies` (
   CONSTRAINT `replies_deleted_by_foreign` FOREIGN KEY (`deleted_by`) REFERENCES `users` (`id`) ON DELETE CASCADE
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
 /*!40101 SET character_set_client = @saved_cs_client */;
+DROP TABLE IF EXISTS `spam_reports`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!50503 SET character_set_client = utf8mb4 */;
+CREATE TABLE `spam_reports` (
+  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
+  `reporter_id` int unsigned NOT NULL,
+  `spam_type` varchar(255) COLLATE utf8mb4_unicode_ci DEFAULT NULL,
+  `spam_id` bigint unsigned DEFAULT NULL,
+  `created_at` timestamp NULL DEFAULT NULL,
+  `updated_at` timestamp NULL DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `spam_reports_reporter_id_spam_id_spam_type_unique` (`reporter_id`,`spam_id`,`spam_type`),
+  KEY `spam_reports_spam_type_spam_id_index` (`spam_type`,`spam_id`),
+  CONSTRAINT `spam_reports_reporter_id_foreign` FOREIGN KEY (`reporter_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+/*!40101 SET character_set_client = @saved_cs_client */;
 DROP TABLE IF EXISTS `subscriptions`;
 /*!40101 SET @saved_cs_client     = @@character_set_client */;
 /*!50503 SET character_set_client = utf8mb4 */;
@@ -290,6 +306,7 @@ CREATE TABLE `users` (
   `type` smallint unsigned NOT NULL DEFAULT '1',
   `bio` varchar(160) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '',
   `banned_at` datetime DEFAULT NULL,
+  `banned_reason` text COLLATE utf8mb4_unicode_ci,
   `email_verified_at` timestamp NULL DEFAULT NULL,
   PRIMARY KEY (`id`),
   UNIQUE KEY `users_email_unique` (`email`),
@@ -380,3 +397,5 @@ INSERT INTO `migrations` VALUES (71,'2022_06_14_072001_create_blocked_users_tabl
 INSERT INTO `migrations` VALUES (72,'2022_07_09_191433_update_articles_table_add_view_count',9);
 INSERT INTO `migrations` VALUES (73,'2022_07_29_135113_add__website_to_users_table',9);
 INSERT INTO `migrations` VALUES (74,'2022_08_21_215918_add_soft_delete_columns_to_replies_table',10);
+INSERT INTO `migrations` VALUES (75,'2022_07_08_145847_create_spam_reports_table',11);
+INSERT INTO `migrations` VALUES (76,'2022_10_15_150405_add_banned_reason_to_users_table',11);
diff --git a/resources/views/users/profile.blade.php b/resources/views/users/profile.blade.php
index a5f9f09c3..5cfb8de83 100644
--- a/resources/views/users/profile.blade.php
+++ b/resources/views/users/profile.blade.php
@@ -104,6 +104,17 @@ class="w-full bg-center bg-gray-800 h-60"
                                 </x-buttons.danger-button>
                             @endif
                         @endcan
+
+                        @if ($user->bannedReason())
+                            @can(App\Policies\UserPolicy::BAN, $user)
+                                <div class="mt-2 bg-red-100 text-sm px-4 py-3 border border-red-200 rounded shadow">
+                                    <p class="font-semibold">Banned reason:</p>
+                                    <span class="text-gray-900">
+                                        {{ $user->bannedReason() }}
+                                    </span>
+                                </div>
+                            @endcan
+                        @endif
                     </div>
                 </div>
 
@@ -227,6 +238,9 @@ class="w-full bg-center bg-gray-800 h-60"
                 type="update"
             >
                 <p>Banning this user will prevent them from logging in, posting threads and replying to threads.</p>
+                <div class="mt-4">
+                    <x-forms.inputs.textarea name="reason" placeholder="Provide a reason for banning this user..." required />
+                </div>
             </x-modal>
         @endif
     @endcan
diff --git a/resources/views/users/settings/profile.blade.php b/resources/views/users/settings/profile.blade.php
index 3d7b5e47a..1b43c2aaf 100644
--- a/resources/views/users/settings/profile.blade.php
+++ b/resources/views/users/settings/profile.blade.php
@@ -24,7 +24,7 @@
                         <div class="space-y-1">
                             <x-forms.label for="bio"/>
 
-                            <x-forms.inputs.textarea name="bio" rows="3" maxlength="160">
+                            <x-forms.inputs.textarea name="bio" maxlength="160">
                                 {{ Auth::user()->bio() }}
                             </x-forms.inputs.textarea>
 
diff --git a/tests/Feature/AdminTest.php b/tests/Feature/AdminTest.php
index fc7fedae6..560beb269 100644
--- a/tests/Feature/AdminTest.php
+++ b/tests/Feature/AdminTest.php
@@ -77,6 +77,28 @@
     assertCannotBanModerators();
 });
 
+test('admins cannot ban a user without a reason', function () {
+    $user = User::factory()->create(['name' => 'Freek Murze']);
+
+    $this->loginAsAdmin();
+
+    $this->put('/admin/users/'.$user->username().'/ban')
+        ->assertRedirectedTo('/');
+
+    test()->seeInDatabase('users', ['id' => $user->id(), 'banned_at' => null, 'banned_reason' => null]);
+});
+
+test('moderators cannot ban a user without a reason', function () {
+    $user = User::factory()->create(['name' => 'Freek Murze']);
+
+    $this->loginAsModerator();
+
+    $this->put('/admin/users/'.$user->username().'/ban')
+        ->assertRedirectedTo('/');
+
+    test()->seeInDatabase('users', ['id' => $user->id(), 'banned_at' => null, 'banned_reason' => null]);
+});
+
 test('admins can delete a user', function () {
     $user = User::factory()->create(['name' => 'Freek Murze']);
     $thread = Thread::factory()->create(['author_id' => $user->id()]);
@@ -344,10 +366,11 @@ function assertCanBanUsers()
 {
     $user = User::factory()->create(['name' => 'Freek Murze']);
 
-    test()->put('/admin/users/'.$user->username().'/ban')
+    test()->put('/admin/users/'.$user->username().'/ban', ['reason' => 'A good reason'])
         ->assertRedirectedTo('/user/'.$user->username());
 
     test()->notSeeInDatabase('users', ['id' => $user->id(), 'banned_at' => null]);
+    test()->seeInDatabase('users', ['id' => $user->id(), 'banned_reason' => 'A good reason']);
 }
 
 function assertCanUnbanUsers()
@@ -357,7 +380,7 @@ function assertCanUnbanUsers()
     test()->put('/admin/users/'.$user->username().'/unban')
         ->assertRedirectedTo('/user/'.$user->username());
 
-    test()->seeInDatabase('users', ['id' => $user->id(), 'banned_at' => null]);
+    test()->seeInDatabase('users', ['id' => $user->id(), 'banned_at' => null, 'banned_reason' => null]);
 }
 
 function assertCannotBanAdmins()
@@ -374,6 +397,6 @@ function assertCannotBanUsersByType(int $type)
 {
     $user = User::factory()->create(['type' => $type]);
 
-    test()->put('/admin/users/'.$user->username().'/ban')
+    test()->put('/admin/users/'.$user->username().'/ban', ['reason' => 'A good reason'])
         ->assertForbidden();
 }
diff --git a/tests/Integration/Jobs/BanUserTest.php b/tests/Integration/Jobs/BanUserTest.php
index c53ac8359..985977d6c 100644
--- a/tests/Integration/Jobs/BanUserTest.php
+++ b/tests/Integration/Jobs/BanUserTest.php
@@ -10,9 +10,12 @@
 it('can ban a user', function () {
     $user = $this->createUser(['banned_at' => null]);
 
-    $this->dispatch(new BanUser($user));
+    $reason = 'A good reason';
+
+    $this->dispatch(new BanUser($user, $reason));
 
     $bannedUser = $user->fresh();
 
     expect($bannedUser->isBanned())->toBeTrue();
+    expect($bannedUser->bannedReason())->toBe('A good reason');
 });
diff --git a/tests/Integration/Jobs/UnbanUserTest.php b/tests/Integration/Jobs/UnbanUserTest.php
index 94153b003..76fcfe8f9 100644
--- a/tests/Integration/Jobs/UnbanUserTest.php
+++ b/tests/Integration/Jobs/UnbanUserTest.php
@@ -16,4 +16,5 @@
     $unbannedUser = $user->fresh();
 
     expect($unbannedUser->isBanned())->toBeFalse();
+    expect($unbannedUser->bannedReason())->toBeNull();
 });