Cognomen Usika (Usika 
) , across the world, is a rare last name. The cognomen Usika is habitual in Tanzania, where it is a very rare surname, India, where it is an extremely rare surname, and Nigeria. Likewise, Usika is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Usika | Indonesia, Malaysia, Nigeria, Tanzania, India |