Larimer is an occupational surname, denoting individuals who made stirrup irons, spurs and other metal articles that people used with horses. Notable people with the surname include:
David G. Larimer (born 1944), United States federal judge Jeff Larimer, (born 1981), canoeist Marc Larimer (1890-1919), fencer Mary E. Larimer, psychologist Smith Larimer (1828-1881), American Civil War Medal of Honor recipient William Larimer, Jr. (1809–1875), Kansas state senator and founder of the city of Denver