Family name Ройс (Royce 
, Roys 
, Roiz 
) , all over the world, is a common cognomen. The surname Ройс is characteristic of Aruba, where it is quite a common surname, Nicaragua, where it is quite a rare surname, and Israel. In absolute terms, it most frequently occurs in the United States, Mexico, and Indonesia. Also, Ройс is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Royce | Indonesia, Mexico, United States, Tanzania, Democratic Republic of the Congo |
| Roys | Indonesia, Philippines, Mexico, United States, Democratic Republic of the Congo |
| Roiz | Indonesia, United Kingdom, Philippines, Mexico, United States |
| Ройс | Kyrgyzstan, Ukraine, Russia |
| любен босилков – ройс BG (b. 1956) |
|