List of Famous people with last name Klassen

Leon Klassen is a professional footballer who plays as a left-back for Austrian club WSG Tirol. Born in Germany, he has represented Russia internationally at various youth levels.

Cindy Klassen, is a Canadian retired long track speed skater. She is a six-time medallist having achieved one gold, two silver, three bronze at the Winter Olympics. Klassen is tied with Clara Hughes for Canada's all-time most decorated Olympian with six medals each. Both Klassen and Hughes are from Winnipeg.

Jon Klassen is a Canadian writer and illustrator of children's books and an animator. He won both the American Caldecott Medal and the British Kate Greenaway Medal for children's book illustration, recognizing the 2012 picture book This Is Not My Hat, which he also wrote. He is the first person to win both awards for the same work.