Cognomen Hambay (Hambay 
) , in the entire world, is a very rare surname. The cognomen Hambay is characteristic of Philippines, where it is a very rare surname, the United States, where it is an extremely rare surname, and the United Kingdom. More prevalently, Hambay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hambay | United Kingdom, United States, India, Philippines |