Frank Fairchild Wesbrook (July 12, 1868 – October 20, 1918) was a Canadian physician, bacteriologist, academic, and University president.

Born in Oakland, Ontario, Wesbrook received a bachelor's and master's degree from the University of Manitoba in 1887 and 1888.

[1] In 1895, he was appointed director of the Department of Pathology, Bacteriology and Hygiene at the University of Minnesota.

He helped in diphtheria research and was in favor of chlorine sterilization of water.

[1] In 1906, he was appointed Dean of the University of Minnesota Medical School.