diff --git a/esphome/components/mqtt/__init__.py b/esphome/components/mqtt/__init__.py
index 86bba11a60..4a5eacf449 100644
--- a/esphome/components/mqtt/__init__.py
+++ b/esphome/components/mqtt/__init__.py
@@ -57,6 +57,7 @@ from esphome.const import (
     PLATFORM_BK72XX,
     PLATFORM_ESP32,
     PLATFORM_ESP8266,
+    PLATFORM_LN882X,
     PLATFORM_RTL87XX,
     PlatformFramework,
 )
@@ -318,7 +319,15 @@ CONFIG_SCHEMA = cv.All(
         }
     ),
     validate_config,
-    cv.only_on([PLATFORM_ESP32, PLATFORM_ESP8266, PLATFORM_BK72XX, PLATFORM_RTL87XX]),
+    cv.only_on(
+        [
+            PLATFORM_BK72XX,
+            PLATFORM_ESP32,
+            PLATFORM_ESP8266,
+            PLATFORM_LN882X,
+            PLATFORM_RTL87XX,
+        ]
+    ),
     _consume_mqtt_sockets,
 )
 
diff --git a/tests/components/mqtt/test.ln882x-ard.yaml b/tests/components/mqtt/test.ln882x-ard.yaml
new file mode 100644
index 0000000000..25cb37a0b4
--- /dev/null
+++ b/tests/components/mqtt/test.ln882x-ard.yaml
@@ -0,0 +1,2 @@
+packages:
+  common: !include common.yaml