Family name Ролофф (Roloff 
, Ролофф 
) , across the world, is quite a common surname. The family name Ролофф is habitual in Germany, where it is quite a rare surname, Denmark, where it is a rare surname, and Brazil. Measured by absolute frequency, it is commonest in Germany, the United States, and Brazil. Much less frequently, Ролофф is the forename as well as the last name.