Cognomen Рыза (Rıza 
, Ryza 
, Рыза 
) , globally, is a rare last name. The cognomen Рыза is habitual in Czechia, where it is a rare surname, Turkey, and Indonesia. In absolute terms, it is the most numerous in Indonesia, Turkey, and the United States. More frequently, Рыза is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rıza | Turkey, China, United States, Iraq, Myanmar |
| Ryza | Indonesia, Saudi Arabia, Philippines, United States, Poland |
| Рыза | Kyrgyzstan, Kazakhstan, Russia |