Last name Moyak (Moyak 
) , in the entire world, is a very rare family name. The cognomen Moyak is characteristic of Philippines, where it is a very rare surname, the United States, where it is an extremely rare surname, and Malaysia. Measured by absolute frequency, it is commonest in Philippines, the United States, and India. Much less frequently, Moyak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Moyak | Malaysia, United States, India, Russia, Philippines |