Cognomen Ambrossy (Ambrossy 
) , all around the world, is a very rare family name. The cognomen Ambrossy is characteristic of Tanzania, where it is a rare surname, Colombia, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. Much less frequently, Ambrossy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ambrossy | Colombia, Tanzania, Venezuela |