Family name Ridowan (Ridowan 
) , throughout the world, is a rare surname. The last name Ridowan is characteristic of Bangladesh, where it is a rare surname, Malaysia, and Indonesia, where it is a very rare surname. Also, Ridowan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ridowan | Indonesia, Saudi Arabia, South Africa, Malaysia, Bangladesh |