Surname Kagayan (Kagayan 
) , all over the world, is a very rare family name. The cognomen Kagayan is habitual in South-eastern Asia, particularly Malaysia, where it is a very rare surname, and Philippines. Much less frequently, Kagayan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kagayan | Malaysia, India, Philippines |
| boris kagayan chess player (b. 1957) |
|