Surname Ruadel (Ruadel 
) , around the world, is a rare last name. The surname Ruadel is habitual in South-eastern Asia, particularly Philippines, where it is a rare surname, and Malaysia, where it is an extremely rare surname. Very seldom, Ruadel is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ruadel | Malaysia, Philippines |