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 | Canada, United States, France, Democratic Republic of the Congo |
| paulette prevaut (b. 1938) |
|