Cognomen Salcau (Salcau 
) , around the world, is a rare surname. The cognomen Salcau is characteristic of Romania, where it is a rare surname, Greece, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Salcau is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Salcau | Greece, Romania, United States |