Family name Batang-Ay (Batang-Ay 
) , globally, is a rare cognomen. The surname Batang-Ay is characteristic of South-eastern Asia, particularly Philippines, where it is a rare surname. Very seldom, Batang-Ay is the forename as well as the last name. Parts of the name also exists independently as a last name Batang, and a last name Ay.
| VARIANT | COUNTRY |
|---|---|
| Batang-Ay | Philippines |