Surname Радзис (Radzis 
, Радзис ) , all over the world, is a very rare family name. The last name Радзис is characteristic of Latvia, where it is a rare surname, Russia, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Russia, Latvia, and the United States. Also, Радзис is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Radzis | Russia, Philippines, United States, Latvia, Poland |
| Радзис | Russia |