Last name Dereas (Dereas 
) , all around the world, is a very rare family name. The surname Dereas is habitual in New Zealand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Dereas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dereas | New Zealand, United States |