Family name Onyok (Onyok 
) , in the world, is a rare last name. The cognomen Onyok is characteristic of Uganda, where it is a rare surname, Philippines, where it is an extremely rare surname, and India. More frequently, Onyok is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Onyok | Saudi Arabia, Philippines, Uganda, United States, India |