Family name Radaen (Radaen 
) , in the entire world, is a very rare cognomen. The last name Radaen is characteristic of Thailand, where it is a very rare surname, and India, where it is an extremely rare surname. Also, Radaen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Radaen | India, Canada, Thailand |