Westin is a Swedish surname.
As of 2014, 53.2% of all known bearers of the surname Westin were residents of Sweden (frequency 1:2,799), 21.8% of the United States (1:250,869), 14.5% of Brazil (1:212,370), 2.1% of Norway (1:36,214), 1.9% of Canada (1:294,384), 1.6% of Australia (1:218,109) and 1.0% of Finland (1:80,835).
In Sweden, the frequency of the surname was higher than national average (1:2,799) in the following counties: [1]