Surname Invan (Invan 
) , throughout the world, is an extremely rare last name. The last name Invan is characteristic of South-eastern Asia, particularly Malaysia, where it is an extremely rare surname, and Thailand. More frequently, Invan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Invan | Brazil, Canada, Thailand, South Africa, India |
Silva, Santos, Garcia, Permana, and Senthavong