diff --git a/homeassistant/components/shopping_list/__init__.py b/homeassistant/components/shopping_list/__init__.py
index bd08e19c4e2..3dc26fe007a 100644
--- a/homeassistant/components/shopping_list/__init__.py
+++ b/homeassistant/components/shopping_list/__init__.py
@@ -18,6 +18,8 @@ from homeassistant.helpers.typing import ConfigType
 from homeassistant.util.json import JsonArrayType, load_json_array
 
 from .const import (
+    ATTR_REVERSE,
+    DEFAULT_REVERSE,
     DOMAIN,
     EVENT_SHOPPING_LIST_UPDATED,
     SERVICE_ADD_ITEM,
@@ -27,6 +29,7 @@ from .const import (
     SERVICE_INCOMPLETE_ALL,
     SERVICE_INCOMPLETE_ITEM,
     SERVICE_REMOVE_ITEM,
+    SERVICE_SORT,
 )
 
 ATTR_COMPLETE = "complete"
@@ -38,6 +41,9 @@ PERSISTENCE = ".shopping_list.json"
 
 SERVICE_ITEM_SCHEMA = vol.Schema({vol.Required(ATTR_NAME): cv.string})
 SERVICE_LIST_SCHEMA = vol.Schema({})
+SERVICE_SORT_SCHEMA = vol.Schema(
+    {vol.Optional(ATTR_REVERSE, default=DEFAULT_REVERSE): bool}
+)
 
 
 async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
@@ -111,6 +117,10 @@ async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> b
         """Clear all completed items from the list."""
         await data.async_clear_completed()
 
+    async def sort_list_service(call: ServiceCall) -> None:
+        """Sort all items by name."""
+        await data.async_sort(call.data[ATTR_REVERSE])
+
     data = hass.data[DOMAIN] = ShoppingData(hass)
     await data.async_load()
 
@@ -147,6 +157,12 @@ async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> b
         clear_completed_items_service,
         schema=SERVICE_LIST_SCHEMA,
     )
+    hass.services.async_register(
+        DOMAIN,
+        SERVICE_SORT,
+        sort_list_service,
+        schema=SERVICE_SORT_SCHEMA,
+    )
 
     hass.http.register_view(ShoppingListView)
     hass.http.register_view(CreateShoppingListItemView)
@@ -277,6 +293,16 @@ class ShoppingData:
             context=context,
         )
 
+    async def async_sort(self, reverse=False, context=None):
+        """Sort items by name."""
+        self.items = sorted(self.items, key=lambda item: item["name"], reverse=reverse)
+        self.hass.async_add_executor_job(self.save)
+        self.hass.bus.async_fire(
+            EVENT_SHOPPING_LIST_UPDATED,
+            {"action": "sorted"},
+            context=context,
+        )
+
     async def async_load(self) -> None:
         """Load items."""
 
diff --git a/homeassistant/components/shopping_list/const.py b/homeassistant/components/shopping_list/const.py
index 05dc05137c0..c519123a414 100644
--- a/homeassistant/components/shopping_list/const.py
+++ b/homeassistant/components/shopping_list/const.py
@@ -2,6 +2,10 @@
 DOMAIN = "shopping_list"
 EVENT_SHOPPING_LIST_UPDATED = "shopping_list_updated"
 
+ATTR_REVERSE = "reverse"
+
+DEFAULT_REVERSE = False
+
 SERVICE_ADD_ITEM = "add_item"
 SERVICE_REMOVE_ITEM = "remove_item"
 SERVICE_COMPLETE_ITEM = "complete_item"
@@ -9,3 +13,4 @@ SERVICE_INCOMPLETE_ITEM = "incomplete_item"
 SERVICE_COMPLETE_ALL = "complete_all"
 SERVICE_INCOMPLETE_ALL = "incomplete_all"
 SERVICE_CLEAR_COMPLETED_ITEMS = "clear_completed_items"
+SERVICE_SORT = "sort"
diff --git a/homeassistant/components/shopping_list/services.yaml b/homeassistant/components/shopping_list/services.yaml
index c41bc1333dc..250912f49cd 100644
--- a/homeassistant/components/shopping_list/services.yaml
+++ b/homeassistant/components/shopping_list/services.yaml
@@ -56,3 +56,14 @@ incomplete_all:
 clear_completed_items:
   name: Clear completed items
   description: Clear completed items from the shopping list.
+
+sort:
+  name: Sort all items
+  description: Sort all items by name in the shopping list.
+  fields:
+    reverse:
+      name: Sort reverse
+      description: Whether to sort in reverse (descending) order.
+      default: false
+      selector:
+        boolean:
diff --git a/tests/components/shopping_list/test_init.py b/tests/components/shopping_list/test_init.py
index bfd781f03c6..e5f1e30efdb 100644
--- a/tests/components/shopping_list/test_init.py
+++ b/tests/components/shopping_list/test_init.py
@@ -5,12 +5,14 @@ import pytest
 
 from homeassistant.components.shopping_list import NoMatchingShoppingListItem
 from homeassistant.components.shopping_list.const import (
+    ATTR_REVERSE,
     DOMAIN,
     EVENT_SHOPPING_LIST_UPDATED,
     SERVICE_ADD_ITEM,
     SERVICE_CLEAR_COMPLETED_ITEMS,
     SERVICE_COMPLETE_ITEM,
     SERVICE_REMOVE_ITEM,
+    SERVICE_SORT,
 )
 from homeassistant.components.websocket_api.const import (
     ERR_INVALID_FORMAT,
@@ -657,8 +659,6 @@ async def test_add_item_service(hass: HomeAssistant, sl_setup) -> None:
         {ATTR_NAME: "beer"},
         blocking=True,
     )
-    await hass.async_block_till_done()
-
     assert len(hass.data[DOMAIN].items) == 1
     assert len(events) == 1
 
@@ -672,15 +672,12 @@ async def test_remove_item_service(hass: HomeAssistant, sl_setup) -> None:
         {ATTR_NAME: "beer"},
         blocking=True,
     )
-    await hass.async_block_till_done()
     await hass.services.async_call(
         DOMAIN,
         SERVICE_ADD_ITEM,
         {ATTR_NAME: "cheese"},
         blocking=True,
     )
-    await hass.async_block_till_done()
-
     assert len(hass.data[DOMAIN].items) == 2
     assert len(events) == 2
 
@@ -690,8 +687,6 @@ async def test_remove_item_service(hass: HomeAssistant, sl_setup) -> None:
         {ATTR_NAME: "beer"},
         blocking=True,
     )
-    await hass.async_block_till_done()
-
     assert len(hass.data[DOMAIN].items) == 1
     assert hass.data[DOMAIN].items[0]["name"] == "cheese"
     assert len(events) == 3
@@ -706,7 +701,6 @@ async def test_clear_completed_items_service(hass: HomeAssistant, sl_setup) -> N
         {ATTR_NAME: "beer"},
         blocking=True,
     )
-    await hass.async_block_till_done()
     assert len(hass.data[DOMAIN].items) == 1
     assert len(events) == 1
 
@@ -717,7 +711,6 @@ async def test_clear_completed_items_service(hass: HomeAssistant, sl_setup) -> N
         {ATTR_NAME: "beer"},
         blocking=True,
     )
-    await hass.async_block_till_done()
     assert len(hass.data[DOMAIN].items) == 1
     assert len(events) == 1
 
@@ -728,6 +721,44 @@ async def test_clear_completed_items_service(hass: HomeAssistant, sl_setup) -> N
         {},
         blocking=True,
     )
-    await hass.async_block_till_done()
     assert len(hass.data[DOMAIN].items) == 0
     assert len(events) == 1
+
+
+async def test_sort_list_service(hass: HomeAssistant, sl_setup) -> None:
+    """Test sort_all service."""
+
+    for name in ("zzz", "ddd", "aaa"):
+        await hass.services.async_call(
+            DOMAIN,
+            SERVICE_ADD_ITEM,
+            {ATTR_NAME: name},
+            blocking=True,
+        )
+
+    # sort ascending
+    events = async_capture_events(hass, EVENT_SHOPPING_LIST_UPDATED)
+    await hass.services.async_call(
+        DOMAIN,
+        SERVICE_SORT,
+        {ATTR_REVERSE: False},
+        blocking=True,
+    )
+
+    assert hass.data[DOMAIN].items[0][ATTR_NAME] == "aaa"
+    assert hass.data[DOMAIN].items[1][ATTR_NAME] == "ddd"
+    assert hass.data[DOMAIN].items[2][ATTR_NAME] == "zzz"
+    assert len(events) == 1
+
+    # sort descending
+    await hass.services.async_call(
+        DOMAIN,
+        SERVICE_SORT,
+        {ATTR_REVERSE: True},
+        blocking=True,
+    )
+
+    assert hass.data[DOMAIN].items[0][ATTR_NAME] == "zzz"
+    assert hass.data[DOMAIN].items[1][ATTR_NAME] == "ddd"
+    assert hass.data[DOMAIN].items[2][ATTR_NAME] == "aaa"
+    assert len(events) == 2