Surname 세아 (Cea 
, 세아 
) , around the world, is a common family name. The family name 세아 is habitual in Chile, where it is quite a common surname, El Salvador, and Philippines, where it is quite a rare surname. Not in comparison with a country's population, the name is most common in Chile, Philippines, and China. Very seldom, 세아 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cea | Philippines, El Salvador, Spain, China, Chile |
| 세아 | South Korea |