Cognomen Sempértegui (Sempértegui 
) , in all the world, is a rare surname. The last name Sempértegui is habitual in Latin America and the Caribbean, particularly Bolivia, where it is quite a rare surname, Ecuador, where it is a rare surname, and Peru, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sempértegui | Bolivia, Ecuador, Chile, United States, Peru |