diff --git a/homeassistant/components/google_cloud/tts.py b/homeassistant/components/google_cloud/tts.py
index b0ae28bf5b1..1d906ab4d20 100644
--- a/homeassistant/components/google_cloud/tts.py
+++ b/homeassistant/components/google_cloud/tts.py
@@ -37,6 +37,7 @@ SUPPORTED_LANGUAGES = [
     "en-IN",
     "en-US",
     "es-ES",
+    "es-US",
     "fi-FI",
     "fil-PH",
     "fr-CA",