Family name Rauce (Rauce 
) , globally, is an extremely rare surname. The cognomen Rauce is habitual in Latin America and the Caribbean, particularly Venezuela, where it is an extremely rare surname. Much more frequently, Rauce is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rauce | Philippines, Brazil, United States, Democratic Republic of the Congo, Venezuela |