Family name توسون (Tosun 
, Tucson 
, Towson 
) , all around the world, is a widespread last name. The family name توسون is habitual in Turkey, where it is a common surname, Cyprus, where it is quite a rare surname, and Austria. Measured by absolute frequency, the name is most common in Turkey, Germany, and the United States. Much less frequently, توسون is the forename as well as the last name.