Family name روكر (Rocker 
, Rucker 
, Rooker 
) , in the world, is a common cognomen. The cognomen روكر is habitual in Reunion, where it is quite a common surname, the United States, where it is quite a rare surname, and Austria. In absolute terms, this name is the most popular in the United States, Germany, and Indonesia. Much less frequently, روكر is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rocker | Myanmar, Indonesia, Bangladesh, United States, Germany |
| Rucker | United States, United Kingdom, Germany, Brazil, Austria |
| Rooker | United States, United Kingdom, Germany, Brazil, Canada |