Surname Улоф (Olaf 
, Olof 
, Oluf 
) , throughout the world, is quite a common family name. The cognomen Улоф is characteristic of Poland, where it is quite a rare surname, Sweden, and Mexico. Measured by absolute frequency, the name is most common in Mexico, Poland, and the Democratic Republic of the Congo. Much more prevalently, Улоф is the forename as well as the last name.