Cognomen โยก (Rocker 
, Yok , Rockers 
) , in the entire world, is a common last name. The family name โยก is habitual in Malaysia, where it is quite a common surname, Brunei, where it is quite a rare surname, and Belgium. Measured by absolute frequency, it is the most numerous in Malaysia, Indonesia, and the United States. Much less frequently, โยก is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yok, Rocker | Myanmar, United States, Malaysia, Turkey, Indonesia |
| Rockers | Myanmar, United States, Malaysia, Germany, Indonesia |
| โยก | Thailand |