Family name Radzion (Radzion 
, Радзион 
) , in the world, is a rare last name. The family name Radzion is characteristic of Malaysia, where it is a rare surname, Poland, and Kazakhstan, where it is a very rare surname. In absolute terms, it is commonest in Russia, Malaysia, and Poland. Very seldom, Radzion is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Radzion | Netherlands, Argentina, United States, Malaysia, Poland |
| Радзион | Ukraine, Russia, Kazakhstan |