Surname Oyamat (Oyamat 
) , in the entire world, is a very rare cognomen. The cognomen Oyamat is characteristic of Saudi Arabia, where it is a rare surname, Philippines, where it is an extremely rare surname, and Mexico. Much less frequently, Oyamat is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oyamat | Saudi Arabia, Philippines, Mexico |