Surname Ouaati (Ouaati 
) , in all the world, is a very rare cognomen. The family name Ouaati is habitual in Morocco, where it is a rare surname, France, where it is a very rare surname, and China, where it is an extremely rare surname. Much less frequently, Ouaati is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ouaati | France, China, Morocco |