Last name Uthairak (Uthairak 
) , around the globe, is a very rare family name. The surname Uthairak is habitual in Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Uthairak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Uthairak | United States, Thailand |