Surname Pa-Ayen (Pa-Ayen 
) , all over the world, is a very rare last name. The cognomen Pa-Ayen is habitual in South-eastern Asia, particularly Philippines, where it is an extremely rare surname. Parts of the name also exists independently as a first name Pa, and a first name Ayen.
| VARIANT | COUNTRY |
|---|---|
| Pa-Ayen | Philippines |