Surname May-Ao (May-Ao 
) , worldwide, is a very rare family name. The family name May-Ao is habitual in South-eastern Asia, particularly Philippines, where it is a very rare surname. Likewise, May-Ao is the forename as well as the last name. Parts of the name also exists independently as a first name May, and a last name Ao.
| VARIANT | COUNTRY |
|---|---|
| May-Ao | Philippines |