Surname Oscátegui (Oscátegui 
) , around the globe, is an extremely rare cognomen. The cognomen Oscátegui is habitual in Latin America and the Caribbean, particularly Peru, where it is a very rare surname. Very seldom, Oscátegui is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oscátegui | Peru |