Monger is a surname. Notable people with the surname include:
Adrian Monger (born 1932), Australian Olympic rower
Christopher Monger (born 1950), Welsh film director
Frederick Monger (1863–1919), Australian politician
George Monger (1840–1887), English recipient of the Victoria Cross
James Monger (21st century), Canadian geologist
John Monger (1831–1892), Australian politician