Klasen

Klasen is a surname of Dutch and German origin. Notable people with the surname include:


 * Arno Klasen (born 1967), German racecar driver
 * Karl Klasen (1909–1991), German jurist and banker
 * Linus Klasen (born 1986), Swedish professional ice hockey player
 * Thomas Klasen (born 1983), German footballer and current football coach