diff --git a/app/Libraries/Search/ForumSearch.php b/app/Libraries/Search/ForumSearch.php
index 3b7b4d8faa8..f10ca8ead5d 100644
--- a/app/Libraries/Search/ForumSearch.php
+++ b/app/Libraries/Search/ForumSearch.php
@@ -82,6 +82,14 @@ public function data()
         return $this->response();
     }
 
+    /**
+     * @return Builder<Post>
+     */
+    public function posts(): Builder
+    {
+        return Post::withTrashed()->whereKey($this->response()->ids('post_id'));
+    }
+
     /**
      * Returns a Builder for a Collection of all the posts that appeared in this query.
      */
diff --git a/app/Models/Forum/LegacyIcon.php b/app/Models/Forum/LegacyIcon.php
new file mode 100644
index 00000000000..e5b0d660682
--- /dev/null
+++ b/app/Models/Forum/LegacyIcon.php
@@ -0,0 +1,26 @@
+<?php
+
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the GNU Affero General Public License v3.0.
+// See the LICENCE file in the repository root for full licence text.
+
+namespace App\Models\Forum;
+
+/**
+ * Icons used to label various models from phpBB. On the old website, they were
+ * available for use, but now they are read-only.
+ *
+ * @property bool $display_on_posting
+ * @property int $icons_height
+ * @property int $icons_id
+ * @property int $icons_order
+ * @property string $icons_url
+ * @property int $icons_width
+ */
+class LegacyIcon extends Model
+{
+    public $timestamps = false;
+
+    protected $casts = ['display_on_posting' => 'boolean'];
+    protected $primaryKey = 'icons_id';
+    protected $table = 'phpbb_icons';
+}
diff --git a/app/Models/Forum/Post.php b/app/Models/Forum/Post.php
index 3f1c04ee3cc..c0b617dec73 100644
--- a/app/Models/Forum/Post.php
+++ b/app/Models/Forum/Post.php
@@ -395,6 +395,18 @@ public function isBeatmapsetPost()
         }
     }
 
+    public function legacyIcon(): ?LegacyIcon
+    {
+        // TODO: $this->icon_id shouldn't be null, but there are some cases
+        // where we make a new Post model and don't refresh it with the default
+        // attributes from database
+        if ($this->icon_id === null) {
+            return null;
+        }
+
+        return app('forum-legacy-icons')->byId($this->icon_id);
+    }
+
     public function validationErrorsTranslationPrefix(): string
     {
         return 'forum.post';
diff --git a/app/Models/Forum/Topic.php b/app/Models/Forum/Topic.php
index 2ad4fd54c62..e32bd692b2e 100644
--- a/app/Models/Forum/Topic.php
+++ b/app/Models/Forum/Topic.php
@@ -506,6 +506,11 @@ public function isActive()
         return $this->topic_last_post_time > Carbon::now()->subMonths($GLOBALS['cfg']['osu']['forum']['necropost_months']);
     }
 
+    public function legacyIcon(): ?LegacyIcon
+    {
+        return app('forum-legacy-icons')->byId($this->icon_id);
+    }
+
     public function markRead($user, $markTime)
     {
         if ($user === null) {
diff --git a/app/Providers/AppServiceProvider.php b/app/Providers/AppServiceProvider.php
index 4dce720a780..dee72be5fe6 100644
--- a/app/Providers/AppServiceProvider.php
+++ b/app/Providers/AppServiceProvider.php
@@ -28,6 +28,7 @@ class AppServiceProvider extends ServiceProvider
     const LOCAL_CACHE_SINGLETONS = [
         'chat-filters' => Singletons\ChatFilters::class,
         'countries' => Singletons\Countries::class,
+        'forum-legacy-icons' => Singletons\ForumLegacyIcons::class,
         'groups' => Singletons\Groups::class,
         'layout-cache' => Singletons\LayoutCache::class,
         'medals' => Singletons\Medals::class,
diff --git a/app/Singletons/ForumLegacyIcons.php b/app/Singletons/ForumLegacyIcons.php
new file mode 100644
index 00000000000..ad6b80a0f00
--- /dev/null
+++ b/app/Singletons/ForumLegacyIcons.php
@@ -0,0 +1,33 @@
+<?php
+
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the GNU Affero General Public License v3.0.
+// See the LICENCE file in the repository root for full licence text.
+
+declare(strict_types=1);
+
+namespace App\Singletons;
+
+use App\Models\Forum\LegacyIcon;
+use App\Traits\Memoizes;
+use Illuminate\Database\Eloquent\Collection;
+
+class ForumLegacyIcons
+{
+    use Memoizes;
+
+    /**
+     * Get a legacy forum icon by its ID.
+     */
+    public function byId(int $id): ?LegacyIcon
+    {
+        return $this->allById()->get($id);
+    }
+
+    /**
+     * @return Collection<int, LegacyIcon>
+     */
+    private function allById(): Collection
+    {
+        return $this->memoize(__FUNCTION__, fn () => LegacyIcon::all()->keyBy('icons_id'));
+    }
+}
diff --git a/app/Traits/Memoizes.php b/app/Traits/Memoizes.php
index 458f3220f62..5590c49779a 100644
--- a/app/Traits/Memoizes.php
+++ b/app/Traits/Memoizes.php
@@ -14,7 +14,12 @@ public function resetMemoized(): void
         $this->memoized = [];
     }
 
-    protected function memoize(string $key, callable $function)
+    /**
+     * @template TReturn
+     * @param callable(): TReturn $function
+     * @return TReturn
+     */
+    protected function memoize(string $key, callable $function): mixed
     {
         if (!array_key_exists($key, $this->memoized)) {
             $this->memoized[$key] = $function();
diff --git a/config/osu.php b/config/osu.php
index c2f878d8e2d..15679bdb30c 100644
--- a/config/osu.php
+++ b/config/osu.php
@@ -223,6 +223,7 @@
         'bounty-form' => env('OS_BOUNTY_URL'),
         'dev' => 'https://discord.gg/ppy',
         'experimental_host' => presence(env('OSU_EXPERIMENTAL_HOST')),
+        'forum_legacy_icons' => 'https://old.ppy.sh/forum/images/icons',
         'installer' => 'https://m1.ppy.sh/r/osu!install.exe',
         'installer-mirror' => 'https://m2.ppy.sh/r/osu!install.exe',
         'lazer_dl.android' => presence(env('OSU_URL_LAZER_ANDROID')) ?? 'https://github.com/ppy/osu/releases/latest/download/sh.ppy.osulazer.apk',
diff --git a/database/migrations/2024_06_17_203000_create_phpbb_icons.php b/database/migrations/2024_06_17_203000_create_phpbb_icons.php
new file mode 100644
index 00000000000..82a15e9364e
--- /dev/null
+++ b/database/migrations/2024_06_17_203000_create_phpbb_icons.php
@@ -0,0 +1,42 @@
+<?php
+
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the GNU Affero General Public License v3.0.
+// See the LICENCE file in the repository root for full licence text.
+
+declare(strict_types=1);
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        if (Schema::hasTable('phpbb_icons')) {
+            return;
+        }
+
+        Schema::create('phpbb_icons', function (Blueprint $table) {
+            $table->mediumIncrements('icons_id');
+            $table->string('icons_url')->default('');
+            $table->tinyInteger('icons_width')->default(0);
+            $table->tinyInteger('icons_height')->default(0);
+            $table->unsignedMediumInteger('icons_order')->default(0);
+            $table->boolean('display_on_posting')->default(true);
+
+            $table->index(['display_on_posting'], 'display_on_posting');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::drop('phpbb_icons');
+    }
+};
diff --git a/resources/css/bem-index.less b/resources/css/bem-index.less
index 497d2660257..83191c1d17a 100644
--- a/resources/css/bem-index.less
+++ b/resources/css/bem-index.less
@@ -165,6 +165,7 @@
 @import "bem/forum-issue-icon";
 @import "bem/forum-item";
 @import "bem/forum-item-stripe";
+@import "bem/forum-legacy-icon";
 @import "bem/forum-list";
 @import "bem/forum-poll";
 @import "bem/forum-poll-container";
diff --git a/resources/css/bem/forum-legacy-icon.less b/resources/css/bem/forum-legacy-icon.less
new file mode 100644
index 00000000000..3aa4915f0c1
--- /dev/null
+++ b/resources/css/bem/forum-legacy-icon.less
@@ -0,0 +1,6 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the GNU Affero General Public License v3.0.
+// See the LICENCE file in the repository root for full licence text.
+
+.forum-legacy-icon {
+  margin: 0 5px;
+}
diff --git a/resources/css/bem/forum-topic-entry.less b/resources/css/bem/forum-topic-entry.less
index 82355ad9327..11982226682 100644
--- a/resources/css/bem/forum-topic-entry.less
+++ b/resources/css/bem/forum-topic-entry.less
@@ -132,7 +132,8 @@
     }
   }
 
-  &__issue-icons {
+  &__icons {
+    align-items: center;
     flex: none;
     display: flex;
     padding: 5px 5px 0;
diff --git a/resources/css/bem/search-forum-post.less b/resources/css/bem/search-forum-post.less
index 98c1bcc6917..d1ee4501677 100644
--- a/resources/css/bem/search-forum-post.less
+++ b/resources/css/bem/search-forum-post.less
@@ -4,6 +4,8 @@
 .search-forum-post {
   @avatar-size: 50px;
   @margin: 5px;
+
+  align-items: center;
   display: flex;
   flex-direction: row;
   flex-wrap: wrap;
diff --git a/resources/views/forum/_legacy_icon.blade.php b/resources/views/forum/_legacy_icon.blade.php
new file mode 100644
index 00000000000..d733425c289
--- /dev/null
+++ b/resources/views/forum/_legacy_icon.blade.php
@@ -0,0 +1,11 @@
+{{--
+    Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the GNU Affero General Public License v3.0.
+    See the LICENCE file in the repository root for full licence text.
+--}}
+<img
+    alt=""
+    class="forum-legacy-icon"
+    src="{{ osu_url('forum_legacy_icons') }}/{{ $icon->icons_url }}"
+    width="{{ $icon->icons_width }}"
+    height="{{ $icon->icons_height }}"
+/>
diff --git a/resources/views/forum/forums/_topic.blade.php b/resources/views/forum/forums/_topic.blade.php
index 48c253e61dd..7bfbe9bf496 100644
--- a/resources/views/forum/forums/_topic.blade.php
+++ b/resources/views/forum/forums/_topic.blade.php
@@ -85,7 +85,11 @@ class="
             </div>
         </div>
 
-        <div class="forum-topic-entry__issue-icons">
+        <div class="forum-topic-entry__icons">
+            @if ($topic->legacyIcon() !== null)
+                @include('forum._legacy_icon', ['icon' => $topic->legacyIcon()])
+            @endif
+
             @foreach ($topic->issueTags() as $tag)
                 <div
                     title="{{ $tag }}"
diff --git a/resources/views/forum/topics/_post.blade.php b/resources/views/forum/topics/_post.blade.php
index b96163a35d2..a4959af1284 100644
--- a/resources/views/forum/topics/_post.blade.php
+++ b/resources/views/forum/topics/_post.blade.php
@@ -62,6 +62,12 @@ class="js-forum-post {{ $hidden ? 'js-forum-post--hidden' : '' }} forum-post"
                             {!! timeago($post->post_time) !!}
                         </a>
                     </div>
+
+                    @if ($post->legacyIcon() !== null)
+                        <div class="forum-post__header-content-item">
+                            @include('forum._legacy_icon', ['icon' => $post->legacyIcon()])
+                        </div>
+                    @endif
                 </div>
 
                 @if (count($buttons) > 0)
diff --git a/resources/views/home/_search_result_forum_post.blade.php b/resources/views/home/_search_result_forum_post.blade.php
index e4d1f6d0665..a89b2ae6791 100644
--- a/resources/views/home/_search_result_forum_post.blade.php
+++ b/resources/views/home/_search_result_forum_post.blade.php
@@ -4,6 +4,7 @@
 --}}
 {{-- more code than template in this view :best: --}}
 @php
+    $posts = $search->posts()->select('post_id', 'icon_id')->get()->keyBy('post_id');
     $users = $search->users()->select('user_id', 'username', 'user_avatar')->get()->keyBy('user_id');
     $topics = $search->topics()->with('forum')->get()->keyBy('topic_id');
     $skipTitle = $search->isTopicSpecificSearch();
@@ -12,6 +13,7 @@
 @foreach ($search->data() as $entry)
     @php
         // $entry should be of type App\Libraries\Elasticsearch\Hit
+        $post = $posts[$entry->source('post_id')];
         $postUrl = post_url($entry->source('topic_id'), $entry->source('post_id'));
         $postId = $entry->source('post_id');
         $topic = $topics[$entry->source('topic_id')] ?? new App\Models\Forum\Topic();
@@ -25,6 +27,7 @@
     @endphp
     <div class="{{ class_with_modifiers('search-entry', ['deleted' => $entry->source('is_deleted')]) }}">
         @include('objects.search._forum_post', [
+            'post' => $post,
             'user' => $user,
             'title' => $title,
             'link' => $postUrl,
diff --git a/resources/views/objects/search/_forum_post.blade.php b/resources/views/objects/search/_forum_post.blade.php
index 1e43e1ad993..4c75f604a72 100644
--- a/resources/views/objects/search/_forum_post.blade.php
+++ b/resources/views/objects/search/_forum_post.blade.php
@@ -14,6 +14,11 @@
     >
         <img class="search-forum-post__avatar-image" src="{{ $user->user_avatar }}">
     </a>
+
+    @if ($post->legacyIcon() !== null)
+        @include('forum._legacy_icon', ['icon' => $post->legacyIcon()])
+    @endif
+
     <div class="search-forum-post__content">
         @if (isset($title))
             <div class="search-forum-post__text search-forum-post__text--title">