Surname Castaeda (Castaeda 
) , across the world, is a common cognomen. The cognomen Castaeda is habitual in Latin America and the Caribbean, particularly Peru, where it is quite a common surname, Nicaragua, and Mexico, where it is a rare surname. Very seldom, Castaeda is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Castaeda | Mexico, Nicaragua, Peru, Colombia, Guatemala |