Surname Торстен (Torsten 
, Thorsten , Торстен 
) , worldwide, is quite a rare family name. The family name Торстен is characteristic of Hungary, where it is quite a rare surname, Germany, and Sweden, where it is a rare surname. In absolute terms, it most frequently occurs in Germany, Spain, and the United States. Predominantly, Торстен is the forename as well as the last name.