Thorsteinson may refer to:

Surname Arnleifur Thorsteinson (1916–1976), Canadian actor and radio newscaster Chris Thorsteinson, Canadian musician of Doc Walker band James Thorsteinson, Canadian politician in Saskatchewan Joe Thorsteinson (1905–1948), Canadian ice hockey player Randy Thorsteinson (born 1956), Canadian politician in Alberta

See also Thorsteinsson Þorsteinsson