Cognomen Ajoon (Ajoon 
) , across the world, is a very rare last name. The last name Ajoon is characteristic of Malaysia, where it is a very rare surname, Pakistan, where it is an extremely rare surname, and Canada. In absolute terms, it is the most numerous in Malaysia, Pakistan, and India. More prevalently, Ajoon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ajoon | Nigeria, Malaysia, Pakistan, Thailand, India |