Rosén is a Swedish surname.
As of 2014, 96.9% of all known bearers of the surname Rosén were residents of Sweden (frequency 1:1,475) and 1.5% of Norway (1:50,415).
In Sweden, the frequency of the surname was higher than national average (1:1,475) in the following counties:[1] In the United States the surname is recorded as Rosen despite efforts by families and people with the surname to have it corrected.
Populations with the name are known to live in Minnesota, Colorado, Washington, and New Jersey.