Surname Gud-Ay (Gud-Ay 
) , worldwide, is a very rare last name. The cognomen Gud-Ay is habitual in South-eastern Asia, particularly Philippines, where it is a very rare surname. Much less frequently, Gud-Ay is the forename as well as the last name. Parts of the name also exists independently as a last name Ay.
| VARIANT | COUNTRY |
|---|---|
| Gud-Ay | Philippines |