Last name Kanaja (Kanaja 
) , globally, is a very rare family name. The family name Kanaja is characteristic of Tanzania, where it is a very rare surname, India, where it is an extremely rare surname, and Philippines. Likewise, Kanaja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kanaja | Philippines, United States, Tanzania, India, Brazil |