Cognomen Asayco (Asayco 
) , in the world, is a very rare last name. The cognomen Asayco is characteristic of Philippines, where it is a very rare surname, and China, where it is an extremely rare surname. Likewise, Asayco is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Asayco | Philippines, China |