Clason is a Germanic patronymic surname derived from the given name Clas. Notable people with the surname include:

Charles R. Clason (1890–1985), Republican member of the United States House of Representatives Curt Meyer-Clason George Samuel Clason (1874–1957), American finance and investment writer Hugo Clason (1865–1935), Swedish sailor Isak Gustaf Clason (1856–1930), Swedish architect Jesse Clason (1860–1918), American physician and politician Oliver B. Clason Patrick Clason

See also