Family name Marajó (Marajó 
) , all over the world, is an extremely rare last name. The cognomen Marajó is habitual in Latin America and the Caribbean, particularly Brazil, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Marajó | Brazil |
| ildemar marajó Brazilian mixed martial artist, BR (b. 1982) |
|