Cognomen Prevaut (Prevaut 
) , across the world, is a very rare last name. The cognomen Prevaut is habitual in France, where it is a very rare surname, the United States, where it is an extremely rare surname, and Canada. More prevalently, Prevaut is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Prevaut | Democratic Republic of the Congo, United States, Canada, France |
| paulette prevaut (b. 1938) |
|