Surname Passay (Passay 
) , in the entire world, is a very rare cognomen. The family name Passay is habitual in Philippines, where it is a very rare surname, Nigeria, where it is an extremely rare surname, and the United States. Much less frequently, Passay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Passay | Philippines, France, United States, Nigeria |