Surname Paaiva (Paaiva 
) , all over the world, is a rare last name. The family name Paaiva is habitual in India, where it is a very rare surname, and Brazil, where it is an extremely rare surname. More prevalently, Paaiva is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Paaiva | Brazil, India |