Family name Houtridis (Houtridis 
) , all over the world, is an extremely rare surname. The cognomen Houtridis is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Very seldom, Houtridis is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Houtridis | United States |