Surname Dayok (Dayok 
) , globally, is a rare family name. The surname Dayok is habitual in Philippines, where it is a rare surname, Malaysia, where it is a very rare surname, and Nigeria. Measured by absolute frequency, it is the most numerous in Philippines, Nigeria, and Indonesia. Likewise, Dayok is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dayok | Philippines, United States, Indonesia, Nigeria, Malaysia |