diff --git a/homeassistant/components/mqtt/abbreviations.py b/homeassistant/components/mqtt/abbreviations.py
index c3efe5667ad..f4a32bbdf9d 100644
--- a/homeassistant/components/mqtt/abbreviations.py
+++ b/homeassistant/components/mqtt/abbreviations.py
@@ -267,6 +267,7 @@ DEVICE_ABBREVIATIONS = {
     "name": "name",
     "mf": "manufacturer",
     "mdl": "model",
+    "mdl_id": "model_id",
     "hw": "hw_version",
     "sw": "sw_version",
     "sa": "suggested_area",
diff --git a/homeassistant/components/mqtt/mixins.py b/homeassistant/components/mqtt/mixins.py
index aca88f2cb97..ce811e13a24 100644
--- a/homeassistant/components/mqtt/mixins.py
+++ b/homeassistant/components/mqtt/mixins.py
@@ -16,6 +16,7 @@ from homeassistant.const import (
     ATTR_HW_VERSION,
     ATTR_MANUFACTURER,
     ATTR_MODEL,
+    ATTR_MODEL_ID,
     ATTR_NAME,
     ATTR_SERIAL_NUMBER,
     ATTR_SUGGESTED_AREA,
@@ -25,6 +26,7 @@ from homeassistant.const import (
     CONF_ENTITY_CATEGORY,
     CONF_ICON,
     CONF_MODEL,
+    CONF_MODEL_ID,
     CONF_NAME,
     CONF_UNIQUE_ID,
     CONF_VALUE_TEMPLATE,
@@ -992,6 +994,9 @@ def device_info_from_specifications(
     if CONF_MODEL in specifications:
         info[ATTR_MODEL] = specifications[CONF_MODEL]
 
+    if CONF_MODEL_ID in specifications:
+        info[ATTR_MODEL_ID] = specifications[CONF_MODEL_ID]
+
     if CONF_NAME in specifications:
         info[ATTR_NAME] = specifications[CONF_NAME]
 
diff --git a/homeassistant/components/mqtt/schemas.py b/homeassistant/components/mqtt/schemas.py
index bbc0194a1a5..67c6b447709 100644
--- a/homeassistant/components/mqtt/schemas.py
+++ b/homeassistant/components/mqtt/schemas.py
@@ -9,6 +9,7 @@ from homeassistant.const import (
     CONF_ENTITY_CATEGORY,
     CONF_ICON,
     CONF_MODEL,
+    CONF_MODEL_ID,
     CONF_NAME,
     CONF_UNIQUE_ID,
     CONF_VALUE_TEMPLATE,
@@ -112,6 +113,7 @@ MQTT_ENTITY_DEVICE_INFO_SCHEMA = vol.All(
             ),
             vol.Optional(CONF_MANUFACTURER): cv.string,
             vol.Optional(CONF_MODEL): cv.string,
+            vol.Optional(CONF_MODEL_ID): cv.string,
             vol.Optional(CONF_NAME): cv.string,
             vol.Optional(CONF_HW_VERSION): cv.string,
             vol.Optional(CONF_SERIAL_NUMBER): cv.string,
diff --git a/homeassistant/const.py b/homeassistant/const.py
index 389aaf8fef3..891cc0cc023 100644
--- a/homeassistant/const.py
+++ b/homeassistant/const.py
@@ -222,6 +222,7 @@ CONF_METHOD: Final = "method"
 CONF_MINIMUM: Final = "minimum"
 CONF_MODE: Final = "mode"
 CONF_MODEL: Final = "model"
+CONF_MODEL_ID: Final = "model_id"
 CONF_MONITORED_CONDITIONS: Final = "monitored_conditions"
 CONF_MONITORED_VARIABLES: Final = "monitored_variables"
 CONF_NAME: Final = "name"
@@ -565,6 +566,7 @@ ATTR_CONNECTIONS: Final = "connections"
 ATTR_DEFAULT_NAME: Final = "default_name"
 ATTR_MANUFACTURER: Final = "manufacturer"
 ATTR_MODEL: Final = "model"
+ATTR_MODEL_ID: Final = "model_id"
 ATTR_SERIAL_NUMBER: Final = "serial_number"
 ATTR_SUGGESTED_AREA: Final = "suggested_area"
 ATTR_SW_VERSION: Final = "sw_version"
diff --git a/tests/components/mqtt/test_common.py b/tests/components/mqtt/test_common.py
index 8d457d9da85..f7ebd039d1a 100644
--- a/tests/components/mqtt/test_common.py
+++ b/tests/components/mqtt/test_common.py
@@ -42,6 +42,7 @@ DEFAULT_CONFIG_DEVICE_INFO_ID = {
     "manufacturer": "Whatever",
     "name": "Beer",
     "model": "Glass",
+    "model_id": "XYZ001",
     "hw_version": "rev1",
     "serial_number": "1234deadbeef",
     "sw_version": "0.1-beta",
@@ -54,6 +55,7 @@ DEFAULT_CONFIG_DEVICE_INFO_MAC = {
     "manufacturer": "Whatever",
     "name": "Beer",
     "model": "Glass",
+    "model_id": "XYZ001",
     "hw_version": "rev1",
     "serial_number": "1234deadbeef",
     "sw_version": "0.1-beta",
@@ -999,6 +1001,7 @@ async def help_test_entity_device_info_with_identifier(
     assert device.manufacturer == "Whatever"
     assert device.name == "Beer"
     assert device.model == "Glass"
+    assert device.model_id == "XYZ001"
     assert device.hw_version == "rev1"
     assert device.sw_version == "0.1-beta"
     assert device.suggested_area == "default_area"
@@ -1035,6 +1038,7 @@ async def help_test_entity_device_info_with_connection(
     assert device.manufacturer == "Whatever"
     assert device.name == "Beer"
     assert device.model == "Glass"
+    assert device.model_id == "XYZ001"
     assert device.hw_version == "rev1"
     assert device.sw_version == "0.1-beta"
     assert device.suggested_area == "default_area"