Surname رظا (Rza 
, رظا 
) , around the world, is a common last name. The surname رظا is characteristic of Poland, where it is quite a common surname, Azerbaijan, and Georgia, where it is quite a rare surname. Measured by absolute frequency, it most frequently occurs in Poland, Azerbaijan, and India. Very seldom, رظا is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rza | Azerbaijan, India, Pakistan, Saudi Arabia, Poland |
| رظا | Iraq, Algeria, Tunisia, Morocco |