Surname Radityo (Radityo 
) , throughout the world, is quite a rare last name. The last name Radityo is habitual in Indonesia, where it is quite a rare surname, and Australia, where it is a very rare surname. Also, Radityo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Radityo | Indonesia, Malaysia, Australia, Singapore, United States |