Family name Castañedo (Castañedo 
) , all over the world, is a very rare surname. The family name Castañedo is habitual in Spain, where it is a very rare surname, Costa Rica, and Argentina. In absolute terms, it is commonest in Spain, Argentina, and Colombia. Likewise, Castañedo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Castañedo | Argentina, Spain, Mexico, Colombia, Costa Rica |
|
maría luisa casar castañedo Spanish activist, ES (b. 1929) |
|