Lewellen is a surname. Notable people with the surname include:

Hope Lewellen (born 1967), American Paralympic volleyball player John M. Lewellen (1930–2017), American politician Jonathan Lewellen, American economist Royce R. Lewellen, American judge Ted C. Lewellen (1940–2006), American anthropologist Verne Lewellen (1901–1980), American football player and executive Wayne Lewellen (1944–2009), American film distribution executive and producer Wilhelmina Lewellen (born 1937), American politician

See also Luellen, another surname