Surname Gayapan (Gayapan 
) , around the world, is a very rare last name. The cognomen Gayapan is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname, and Philippines, where it is an extremely rare surname. Likewise, Gayapan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gayapan | Thailand, Philippines |