Surname Oñederra (Oñederra 
) , across the world, is a rare last name. The surname Oñederra is habitual in Spain, where it is a rare surname, Chile, and Argentina, where it is a very rare surname. Much less frequently, Oñederra is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oñederra | Argentina, Spain, Venezuela, Chile, Mexico |
|
lourdes oñederra Basque writer, ES (b. 1958) |
|
| izibene oñederra basque artist, ES (b. 1979) |
|