McCulloh is a surname. Notable people with the surname include:
Douglas McCulloh (born 1959), American photographer James W. McCulloh (1789–1861), American politician, father of Richard Sears McCulloh Richard Sears McCulloh (1818–1894), American civil engineer and professor, uncle of James Sears McCulloh James Sears McCulloh (1868–1957), American executive, grandson of James W. McCulloh Thayne McCulloh (born 1964), American social psychologist
See also McCulloh, California, unincorporated community McCulloh Street, state route in Maryland