Gregor is a surname, and notable people with the surname include:
A. James Gregor (1929–2019), professor of political science known for his writings on fascism and security issues Bob Gregor (born 1957), American football player Čestmír Gregor (1926–2011), Czech composer Francis Gregor (MP) (1760–1815), MP for the County of Cornwall, brother of William Gréta Gregorová (born 2001), Slovak politician Joseph Gregor, (1888-1960), Austrian writer, theater historian and librettist Kurt Gregor (1907–1990), German socialist politician Michael Gregor (1888—1953), aircraft engineer Noah Gregor (born 1998), ice hockey player Valentin Gregor (born 1963), jazz violinist, singer and composer Walter Gregor (1825–1897), folklorist William Gregor (1761–1817), British clergyman and mineralogist who discovered the elemental metal titanium, brother of Francis Gregor (musician) (1898–1971), Armenian bandleader
See also Gregor, given name Gregory (surname)