Dumon is a surname, used primarily in Belgium. Notable people with the surname include:
Andrée Dumon (1922–2025), Belgian resistance member during World War II., sister of Micheline Augustin Dumon-Dumortier (1791–1852), Belgian industrialist, diplomat and liberal politician Bibi Dumon Tak (born 1964), Dutch writer of children's literature Mariken Dumon (born 1983), Belgian glass artist Micheline Dumon (1921–2017), Belgian resistance member during World War II Pierre Sylvain Dumon (1797–1870), French lawyer and politician Detlef Dumon (born 1963), former Executive Director of the International Council of Sport Science and Physical Education and current school headmaster of the Stephanus-School in Berlin
See also Dumont (surname), people named Dumont