diff --git a/boards/forms/__init__.py b/boards/forms/__init__.py
--- a/boards/forms/__init__.py
+++ b/boards/forms/__init__.py
@@ -464,13 +464,18 @@ class ThreadForm(PostForm):
         required_tag_exists = False
         tag_set = set()
         for tag_string in tags.split():
-            if tag_string.strip().lower() == default_tag_name:
+            tag_name = tag_string.strip().lower()
+            if tag_name == default_tag_name:
                 required_tag_exists = True
                 tag, created = Tag.objects.get_or_create(
-                        name=tag_string.strip().lower(), required=True)
+                        name=tag_name, required=True)
             else:
-                tag, created = Tag.objects.get_or_create(
-                        name=tag_string.strip().lower())
+                tag = Tag.objects.get_by_alias(tag_name)
+                if tag:
+                    created = False
+                else:
+                    tag, created = Tag.objects.get_or_create(
+                            name=tag_name)
             tag_set.add(tag)
 
             # If this is a new tag, don't check for its parents because nobody
diff --git a/boards/migrations/0057_tag_aliases.py b/boards/migrations/0057_tag_aliases.py
new file mode 100644
--- /dev/null
+++ b/boards/migrations/0057_tag_aliases.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.5 on 2017-02-24 19:40
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('boards', '0056_auto_20170123_1620'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='tag',
+            name='aliases',
+            field=models.TextField(blank=True),
+        ),
+    ]
diff --git a/boards/models/tag.py b/boards/models/tag.py
--- a/boards/models/tag.py
+++ b/boards/models/tag.py
@@ -1,9 +1,12 @@
 import hashlib
+import re
+
 from boards.models.attachment import FILE_TYPES_IMAGE
 from django.template.loader import render_to_string
 from django.db import models
 from django.db.models import Count
 from django.core.urlresolvers import reverse
+from django.utils.translation import get_language
 
 from boards.models import Attachment
 from boards.models.base import Viewable
@@ -16,9 +19,10 @@ import boards
 
 RELATED_TAGS_COUNT = 5
 
+REGEX_TAG_ALIAS = r'{}:(\w+),'
+
 
 class TagManager(models.Manager):
-
     def get_not_empty_tags(self):
         """
         Gets tags that have non-archived threads.
@@ -34,6 +38,9 @@ class TagManager(models.Manager):
 
         return ', '.join([tag.get_view() for tag in tags])
 
+    def get_by_alias(self, alias):
+        return self.filter(aliases__contains=":{},".format(alias)).first()
+
 
 class Tag(models.Model, Viewable):
     """
@@ -53,6 +60,7 @@ class Tag(models.Model, Viewable):
 
     parent = models.ForeignKey('Tag', null=True, blank=True,
             related_name='children')
+    aliases = models.TextField(blank=True)
 
     def __str__(self):
         return self.name
@@ -89,8 +97,17 @@ class Tag(models.Model, Viewable):
         return self.required
 
     def get_view(self):
+        locale = get_language()
+
+        if self.aliases:
+            match = re.search(REGEX_TAG_ALIAS.format(locale), self.aliases)
+            if match:
+                localized_tag_name = match.group(1)
+        else:
+            localized_tag_name = self.name
+
         link = '<a class="tag" href="{}">{}</a>'.format(
-            self.get_absolute_url(), self.name)
+            self.get_absolute_url(), localized_tag_name)
         if self.is_required():
             link = '<b>{}</b>'.format(link)
         return link