Last name 羅爾 (Roll 
, Rol , 羅爾 
) , all over the world, is a common surname. The last name 羅爾 is habitual in Germany, where it is quite a rare surname, Brunei, and Norway. Measured by absolute frequency, it is the most numerous in Germany, the United States, and France. Likewise, 羅爾 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rol, Roll | Germany, United States, Philippines, Democratic Republic of the Congo, France |
| 羅爾 | China |
| Röhr | United Kingdom, Germany, Spain, United States, Argentina |