diff --git a/client/html/tag_categories.tpl b/client/html/tag_categories.tpl
index fe6b8987..f9d28e15 100644
--- a/client/html/tag_categories.tpl
+++ b/client/html/tag_categories.tpl
@@ -7,6 +7,7 @@
                     <tr>
                         <th class='name'>Category name</th>
                         <th class='color'>CSS color</th>
+                        <th class='order'>Order</th>
                         <th class='usages'>Usages</th>
                     </tr>
                 </thead>
@@ -21,7 +22,7 @@
 
         <div class='messages'></div>
 
-        <% if (ctx.canCreate || ctx.canEditName || ctx.canEditColor || ctx.canDelete) { %>
+        <% if (ctx.canCreate || ctx.canEditName || ctx.canEditColor || ctx.canEditOrder || ctx.canDelete) { %>
             <div class='buttons'>
                 <input type='submit' class='save' value='Save changes'>
             </div>
diff --git a/client/html/tag_category_row.tpl b/client/html/tag_category_row.tpl
index dcc8c16a..ce7aa59c 100644
--- a/client/html/tag_category_row.tpl
+++ b/client/html/tag_category_row.tpl
@@ -17,6 +17,13 @@
             <%- ctx.tagCategory.color %>
         <% } %>
     </td>
+    <td class='order'>
+        <% if (ctx.canEditOrder) { %>
+            <%= ctx.makeNumericInput({value: ctx.tagCategory.order}) %>
+        <% } else { %>
+            <%- ctx.tagCategory.order %>
+        <% } %>
+    </td>
     <td class='usages'>
         <% if (ctx.tagCategory.name) { %>
             <a href='<%- ctx.formatClientLink('tags', {query: 'category:' + ctx.tagCategory.name}) %>'>
diff --git a/client/js/controllers/tag_categories_controller.js b/client/js/controllers/tag_categories_controller.js
index 2470edbb..1ca743fd 100644
--- a/client/js/controllers/tag_categories_controller.js
+++ b/client/js/controllers/tag_categories_controller.js
@@ -26,6 +26,7 @@ class TagCategoriesController {
                     tagCategories: this._tagCategories,
                     canEditName: api.hasPrivilege("tagCategories:edit:name"),
                     canEditColor: api.hasPrivilege("tagCategories:edit:color"),
+                    canEditOrder: api.hasPrivilege("tagCategories:edit:order"),
                     canDelete: api.hasPrivilege("tagCategories:delete"),
                     canCreate: api.hasPrivilege("tagCategories:create"),
                     canSetDefault: api.hasPrivilege(
diff --git a/client/js/models/tag_category.js b/client/js/models/tag_category.js
index a8d0e64c..1641862b 100644
--- a/client/js/models/tag_category.js
+++ b/client/js/models/tag_category.js
@@ -9,10 +9,12 @@ class TagCategory extends events.EventTarget {
         super();
         this._name = "";
         this._color = "#000000";
+        this._order = 1;
         this._tagCount = 0;
         this._isDefault = false;
         this._origName = null;
         this._origColor = null;
+        this._origOrder = null;
     }
 
     get name() {
@@ -23,6 +25,10 @@ class TagCategory extends events.EventTarget {
         return this._color;
     }
 
+    get order() {
+        return this._order;
+    }
+
     get tagCount() {
         return this._tagCount;
     }
@@ -43,6 +49,10 @@ class TagCategory extends events.EventTarget {
         this._color = value;
     }
 
+    set order(value) {
+        this._order = value;
+    }
+
     static fromResponse(response) {
         const ret = new TagCategory();
         ret._updateFromResponse(response);
@@ -58,6 +68,9 @@ class TagCategory extends events.EventTarget {
         if (this.color !== this._origColor) {
             detail.color = this.color;
         }
+        if (this.order !== this._origOrder) {
+            detail.order = this.order;
+        }
 
         if (!Object.keys(detail).length) {
             return Promise.resolve();
@@ -104,10 +117,12 @@ class TagCategory extends events.EventTarget {
         this._version = response.version;
         this._name = response.name;
         this._color = response.color;
+        this._order = response.order;
         this._isDefault = response.default;
         this._tagCount = response.usages;
         this._origName = this.name;
         this._origColor = this.color;
+        this._origOrder = this.order;
     }
 }
 
diff --git a/client/js/views/tag_categories_view.js b/client/js/views/tag_categories_view.js
index 1f1a4dac..7cd5c19e 100644
--- a/client/js/views/tag_categories_view.js
+++ b/client/js/views/tag_categories_view.js
@@ -100,6 +100,13 @@ class TagCategoriesView extends events.EventTarget {
             );
         }
 
+        const orderInput = rowNode.querySelector(".order input");
+        if (orderInput) {
+            orderInput.addEventListener("change", (e) =>
+                this._evtOrderChange(e, rowNode)
+            );
+        }
+
         const removeLinkNode = rowNode.querySelector(".remove a");
         if (removeLinkNode) {
             removeLinkNode.addEventListener("click", (e) =>
@@ -147,6 +154,10 @@ class TagCategoriesView extends events.EventTarget {
         rowNode._tagCategory.color = e.target.value;
     }
 
+    _evtOrderChange(e, rowNode) {
+        rowNode._tagCategory.order = e.target.value;
+    }
+
     _evtDeleteButtonClick(e, rowNode, link) {
         e.preventDefault();
         if (e.target.classList.contains("inactive")) {
diff --git a/doc/API.md b/doc/API.md
index 11f2d5bf..cccbc4e7 100644
--- a/doc/API.md
+++ b/doc/API.md
@@ -321,7 +321,8 @@ data.
     ```json5
     {
         "name":  <name>,
-        "color": <color>
+        "color": <color>,
+        "order": <order>  // optional
     }
     ```
 
@@ -354,6 +355,7 @@ data.
         "version": <version>,
         "name":    <name>,    // optional
         "color":   <color>,   // optional
+        "order":   <order>    // optional
     }
     ```
 
@@ -2288,7 +2290,8 @@ experience.
     "version": <version>,
     "name":    <name>,
     "color":   <color>,
-    "usages":  <usages>
+    "usages":  <usages>,
+    "order":   <order>,
     "default": <is-default>
 }
 ```
@@ -2299,6 +2302,7 @@ experience.
 - `<name>`: the category name.
 - `<color>`: the category color.
 - `<usages>`: how many tags is the given category used with.
+- `<order>`: the order in which tags with this category are displayed, ascending.
 - `<is-default>`: whether the tag category is the default one.
 
 ## Tag
@@ -2498,7 +2502,7 @@ experience.
     "version": <version>,
     "name":    <name>,
     "color":   <color>,
-    "usages":  <usages>
+    "usages":  <usages>,
     "default": <is-default>
 }
 ```
@@ -2712,7 +2716,7 @@ dictionaries as created by creation snapshots, which is described below.
         },
         "primitive-property":
         {
-            "type": "primitive change":
+            "type": "primitive change",
             "old-value": "<primitive>",
             "new-value": "<primitive>"
         },
diff --git a/server/config.yaml.dist b/server/config.yaml.dist
index e3799a35..bc4e3630 100644
--- a/server/config.yaml.dist
+++ b/server/config.yaml.dist
@@ -130,6 +130,7 @@ privileges:
     'tag_categories:create':        moderator
     'tag_categories:edit:name':     moderator
     'tag_categories:edit:color':    moderator
+    'tag_categories:edit:order':    moderator
     'tag_categories:list':          anonymous
     'tag_categories:view':          anonymous
     'tag_categories:delete':        moderator
diff --git a/server/szurubooru/api/tag_category_api.py b/server/szurubooru/api/tag_category_api.py
index 498289a4..95d0ed8d 100644
--- a/server/szurubooru/api/tag_category_api.py
+++ b/server/szurubooru/api/tag_category_api.py
@@ -37,7 +37,8 @@ def create_tag_category(
     auth.verify_privilege(ctx.user, "tag_categories:create")
     name = ctx.get_param_as_string("name")
     color = ctx.get_param_as_string("color")
-    category = tag_categories.create_category(name, color)
+    order = ctx.get_param_as_int("order")
+    category = tag_categories.create_category(name, color, order)
     ctx.session.add(category)
     ctx.session.flush()
     snapshots.create(category, ctx.user)
@@ -73,6 +74,11 @@ def update_tag_category(
         tag_categories.update_category_color(
             category, ctx.get_param_as_string("color")
         )
+    if ctx.has_param("order"):
+        auth.verify_privilege(ctx.user, "tag_categories:edit:order")
+        tag_categories.update_category_order(
+            category, ctx.get_param_as_int("order")
+        )
     ctx.session.flush()
     snapshots.modify(category, ctx.user)
     ctx.session.commit()
diff --git a/server/szurubooru/func/tag_categories.py b/server/szurubooru/func/tag_categories.py
index bbf72978..16962d9a 100644
--- a/server/szurubooru/func/tag_categories.py
+++ b/server/szurubooru/func/tag_categories.py
@@ -48,6 +48,7 @@ class TagCategorySerializer(serialization.BaseSerializer):
             "color": self.serialize_color,
             "usages": self.serialize_usages,
             "default": self.serialize_default,
+            "order": self.serialize_order,
         }
 
     def serialize_name(self) -> Any:
@@ -65,6 +66,9 @@ class TagCategorySerializer(serialization.BaseSerializer):
     def serialize_default(self) -> Any:
         return self.category.default
 
+    def serialize_order(self) -> Any:
+        return self.category.order
+
 
 def serialize_category(
     category: Optional[model.TagCategory], options: List[str] = []
@@ -74,10 +78,11 @@ def serialize_category(
     return TagCategorySerializer(category).serialize(options)
 
 
-def create_category(name: str, color: str) -> model.TagCategory:
+def create_category(name: str, color: str, order: int) -> model.TagCategory:
     category = model.TagCategory()
     update_category_name(category, name)
     update_category_color(category, color)
+    update_category_order(category, order)
     if not get_all_categories():
         category.default = True
     return category
@@ -117,6 +122,11 @@ def update_category_color(category: model.TagCategory, color: str) -> None:
     category.color = color
 
 
+def update_category_order(category: model.TagCategory, order: int) -> None:
+    assert category
+    category.order = order
+
+
 def try_get_category_by_name(
     name: str, lock: bool = False
 ) -> Optional[model.TagCategory]:
diff --git a/server/szurubooru/func/tags.py b/server/szurubooru/func/tags.py
index e15a78cc..28a2a76b 100644
--- a/server/szurubooru/func/tags.py
+++ b/server/szurubooru/func/tags.py
@@ -67,6 +67,7 @@ def sort_tags(tags: List[model.Tag]) -> List[model.Tag]:
     return sorted(
         tags,
         key=lambda tag: (
+            tag.category.order,
             default_category_name == tag.category.name,
             tag.category.name,
             tag.names[0].name,
diff --git a/server/szurubooru/migrations/versions/c97dc1bf184a_add_order_column_to_tag_categories.py b/server/szurubooru/migrations/versions/c97dc1bf184a_add_order_column_to_tag_categories.py
new file mode 100644
index 00000000..c5a31249
--- /dev/null
+++ b/server/szurubooru/migrations/versions/c97dc1bf184a_add_order_column_to_tag_categories.py
@@ -0,0 +1,28 @@
+"""
+Add order column to tag categories.
+
+Revision ID: c97dc1bf184a
+Created at: 2020-09-19 17:08:03.225667
+"""
+
+import sqlalchemy as sa
+from alembic import op
+
+revision = "c97dc1bf184a"
+down_revision = "54de8acc6cef"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.add_column(
+        "tag_category", sa.Column("order", sa.Integer, nullable=True)
+    )
+    op.execute(
+        sa.table("tag_category", sa.column("order")).update().values(order=1)
+    )
+    op.alter_column("tag_category", "order", nullable=False)
+
+
+def downgrade():
+    op.drop_column("tag_category", "order")
diff --git a/server/szurubooru/model/tag_category.py b/server/szurubooru/model/tag_category.py
index 1faf74ca..a336a214 100644
--- a/server/szurubooru/model/tag_category.py
+++ b/server/szurubooru/model/tag_category.py
@@ -16,6 +16,7 @@ class TagCategory(Base):
         "color", sa.Unicode(32), nullable=False, default="#000000"
     )
     default = sa.Column("default", sa.Boolean, nullable=False, default=False)
+    order = sa.Column("order", sa.Integer, nullable=False, default=1)
 
     def __init__(self, name: Optional[str] = None) -> None:
         self.name = name
diff --git a/server/szurubooru/tests/api/test_tag_category_creating.py b/server/szurubooru/tests/api/test_tag_category_creating.py
index 2370cb83..6798cbe2 100644
--- a/server/szurubooru/tests/api/test_tag_category_creating.py
+++ b/server/szurubooru/tests/api/test_tag_category_creating.py
@@ -36,11 +36,14 @@ def test_creating_category(
         tag_categories.serialize_category.return_value = "serialized category"
         result = api.tag_category_api.create_tag_category(
             context_factory(
-                params={"name": "meta", "color": "black"}, user=auth_user
+                params={"name": "meta", "color": "black", "order": 0},
+                user=auth_user,
             )
         )
         assert result == "serialized category"
-        tag_categories.create_category.assert_called_once_with("meta", "black")
+        tag_categories.create_category.assert_called_once_with(
+            "meta", "black", 0
+        )
         snapshots.create.assert_called_once_with(category, auth_user)
 
 
diff --git a/server/szurubooru/tests/api/test_tag_category_retrieving.py b/server/szurubooru/tests/api/test_tag_category_retrieving.py
index 40d9059b..cec3657f 100644
--- a/server/szurubooru/tests/api/test_tag_category_retrieving.py
+++ b/server/szurubooru/tests/api/test_tag_category_retrieving.py
@@ -46,6 +46,7 @@ def test_retrieving_single(
         "color": "dummy",
         "usages": 0,
         "default": False,
+        "order": 1,
         "version": 1,
     }
 
diff --git a/server/szurubooru/tests/api/test_tag_category_updating.py b/server/szurubooru/tests/api/test_tag_category_updating.py
index 41346131..f12ce367 100644
--- a/server/szurubooru/tests/api/test_tag_category_updating.py
+++ b/server/szurubooru/tests/api/test_tag_category_updating.py
@@ -17,6 +17,7 @@ def inject_config(config_injector):
             "privileges": {
                 "tag_categories:edit:name": model.User.RANK_REGULAR,
                 "tag_categories:edit:color": model.User.RANK_REGULAR,
+                "tag_categories:edit:order": model.User.RANK_REGULAR,
                 "tag_categories:set_default": model.User.RANK_REGULAR,
             },
         }
diff --git a/server/szurubooru/tests/conftest.py b/server/szurubooru/tests/conftest.py
index 481d884a..e7811fe1 100644
--- a/server/szurubooru/tests/conftest.py
+++ b/server/szurubooru/tests/conftest.py
@@ -126,10 +126,11 @@ def user_token_factory(user_factory):
 
 @pytest.fixture
 def tag_category_factory():
-    def factory(name=None, color="dummy", default=False):
+    def factory(name=None, color="dummy", order=1, default=False):
         category = model.TagCategory()
         category.name = name or get_unique_name()
         category.color = color
+        category.order = order
         category.default = default
         return category
 
diff --git a/server/szurubooru/tests/func/test_tag_categories.py b/server/szurubooru/tests/func/test_tag_categories.py
index 143cc49f..11300cf4 100644
--- a/server/szurubooru/tests/func/test_tag_categories.py
+++ b/server/szurubooru/tests/func/test_tag_categories.py
@@ -29,6 +29,7 @@ def test_serialize_category(tag_category_factory, tag_factory):
         "color": "color",
         "default": True,
         "version": 1,
+        "order": 1,
         "usages": 2,
     }
 
@@ -36,8 +37,8 @@ def test_serialize_category(tag_category_factory, tag_factory):
 def test_create_category_when_first():
     with patch("szurubooru.func.tag_categories.update_category_name"), patch(
         "szurubooru.func.tag_categories.update_category_color"
-    ):
-        category = tag_categories.create_category("name", "color")
+    ), patch("szurubooru.func.tag_categories.update_category_order"):
+        category = tag_categories.create_category("name", "color", 7)
         assert category.default
         tag_categories.update_category_name.assert_called_once_with(
             category, "name"
@@ -45,6 +46,9 @@ def test_create_category_when_first():
         tag_categories.update_category_color.assert_called_once_with(
             category, "color"
         )
+        tag_categories.update_category_order.assert_called_once_with(
+            category, 7
+        )
 
 
 def test_create_category_when_subsequent(tag_category_factory):
@@ -52,8 +56,8 @@ def test_create_category_when_subsequent(tag_category_factory):
     db.session.flush()
     with patch("szurubooru.func.tag_categories.update_category_name"), patch(
         "szurubooru.func.tag_categories.update_category_color"
-    ):
-        category = tag_categories.create_category("name", "color")
+    ), patch("szurubooru.func.tag_categories.update_category_order"):
+        category = tag_categories.create_category("name", "color", 7)
         assert not category.default
         tag_categories.update_category_name.assert_called_once_with(
             category, "name"
@@ -61,6 +65,9 @@ def test_create_category_when_subsequent(tag_category_factory):
         tag_categories.update_category_color.assert_called_once_with(
             category, "color"
         )
+        tag_categories.update_category_order.assert_called_once_with(
+            category, 7
+        )
 
 
 def test_update_category_name_with_empty_string(tag_category_factory):