Family name Malbay (Malbay 
) , across the world, is a very rare last name. The cognomen Malbay is characteristic of Western Europe, particularly France, where it is a very rare surname. Very seldom, Malbay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Malbay | France, India |
| hippolyte malbay French veterinarian, FR (b. 1848) |
|