Last name Carlstroem (Карлссон 
, Carlstroem 
) , across the world, is a rare family name. The surname Carlstroem is habitual in Norway, where it is a rare surname, Belarus, where it is a very rare surname, and Russia. Not in comparison with a country's population, this name is the most popular in Norway, Russia, and the United States. Very seldom, Carlstroem is the forename as well as the last name.