Cognomen Mamac (Mamac 
) , around the world, is quite a common last name. The surname Mamac is habitual in Philippines, where it is quite a rare surname, Qatar, where it is a rare surname, and Kuwait. Measured by absolute frequency, the name is most common in Philippines, Saudi Arabia, and the United States. Very seldom, Mamac is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mamac | Philippines, United States, Indonesia, Malaysia, Saudi Arabia |