Surname Dao-Ayen (Dao-Ayen 
) , across the world, is a very rare last name. The surname Dao-Ayen is habitual in South-eastern Asia, particularly Philippines, where it is a very rare surname. Much less frequently, Dao-Ayen is the forename as well as the last name. Parts of the name also exists independently as a last name Dao, and a first name Ayen.
| VARIANT | COUNTRY |
|---|---|
| Dao-Ayen | Philippines |