Family name Ajanku (Ajanku 
) , across the world, is a very rare cognomen. The surname Ajanku is characteristic of Nigeria, where it is a very rare surname, and the United States, where it is an extremely rare surname. Likewise, Ajanku is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ajanku | United States, Nigeria |