In all the world, Sutthilak (Sutthilak 
) is a very rare dominantly feminine, but uncommonly masculine given name. The given name Sutthilak is habitual in South-eastern Asia, particularly Thailand, where it is a very rare mostly female, but seldom masculine name. Likewise, Sutthilak is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sutthilak | Thailand |