Last name Utiku (Utiku 
) , throughout the world, is a very rare cognomen. The surname Utiku is characteristic of Sub-Saharan Africa, particularly Tanzania, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Utiku | Tanzania |
| utiku potaka 1824:1922 - Correspondent to Donald McLean and chief of the Aitanga a Hauiti tribe |
|