Family name Utumapu (Utumapu 
) , across the world, is a very rare last name. The cognomen Utumapu is habitual in Australia, where it is a very rare surname, New Zealand, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Utumapu | New Zealand, Australia, United States |
|
rachael utumapu New Zealand firefighter and women's community leader, NZ |
|
| fa’atino masunu utumapu (b. 1982) |
|