Cognomen Paiakan (Paiakan 
) , all around the world, is a rare last name. The cognomen Paiakan is characteristic of Papua New Guinea, where it is quite a rare surname, and Brazil, where it is an extremely rare surname. Much less frequently, Paiakan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Paiakan | Brazil, Papua New Guinea, United States |