Last name Ambeau (Ambeau 
) , in all the world, is a rare family name. The cognomen Ambeau is habitual in Haiti, where it is quite a rare surname, Canada, where it is a rare surname, and the United States. Much less frequently, Ambeau is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ambeau | Haiti, Canada, France, United States, China |