Last name Ridduwan (Ridduwan 
) , around the world, is a rare family name. The surname Ridduwan is characteristic of South-eastern Asia, particularly Malaysia, where it is a very rare surname, and Indonesia. Much less frequently, Ridduwan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ridduwan | Indonesia, Malaysia, Thailand, South Africa |