Throughout the world, Petaia (Petaia 
) is an extremely rare male first name. More prevalently, Petaia is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Petaia | Australia, Fiji, United States, Canada, New Zealand |
| sapa'u ruperake petaia Samoan writer (b. 1951) |
|
|
| uelese petaia |
|
Amy, Joyce, Toloa, Trixi, Trixy, Tupou, Helen, Fiona, Ilaoa, Mataio, Montez, Samuel, Ali'Imau, Arorae, Adrian, Berith, Palepa, Roxane, Reggie, Rejane, Jordan, Taylor, Jason, James, Lizzy, Diana, Tia, Mary, Setu, Anna, Rama, Ryan, Lina, Lisi, Tina, Tino, Teuila, Tiki, Neti, Emau, Fafo, Uili, Mikie, Stone, Aaron, Craig, Pearl, David, Neli, and Nelson