Last name Wanj (Wanj 
) , in the world, is a rare cognomen. The cognomen Wanj is characteristic of Kenya, where it is a rare surname, Malaysia, where it is an extremely rare surname, and Canada. Measured by absolute frequency, this name is the most popular in Kenya, India, and Malaysia. Very seldom, Wanj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wanj | Spain, Malaysia, Kenya, India, Canada |