Last name Gumok (Gumok 
) , in all the world, is a very rare surname. The surname Gumok is characteristic of Malaysia, where it is a very rare surname, Philippines, where it is an extremely rare surname, and the United States. Much less frequently, Gumok is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gumok | Malaysia, Philippines, Singapore, United States |