Last name תומסן (Thomsen 
, תומסן 
) , all around the world, is a common cognomen. The last name תומסן is characteristic of Denmark, where it is a widespread surname, Greenland, where it is a common surname, and Norway, where it is quite a common surname (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in Denmark, Germany, and the United States.