Family name Úc (Uc 
, Úc 
) , around the globe, is a common surname. The cognomen Úc is habitual in Latin America and the Caribbean, particularly Mexico, where it is quite a common surname, Paraguay, where it is quite a rare surname, and Bolivia. Not in comparison with a country's population, it most frequently occurs in Mexico, Myanmar, and Vietnam. Much less frequently, Úc is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Uc | Mexico, Vietnam, Myanmar, Indonesia, Taiwan |
| Úc | Vietnam, China, Australia |