Dumaine and DuMaine are surnames. Notable people with either surname include:
*
Bernard Dumaine (born 1953), French artist
*
Cyrille Dumaine (1897–1946), Canadian politician
*
Frederic C. Dumaine Jr. (1902–1997), American business executive
*
Pierre DuMaine (1931–2019), American Roman Catholic bishop
Fictional characters:
*Dumaine, a character in Shakespeare's ''
Love's Labour's Lost''
Other uses
*
Dumaine Street in the French Quarter of the city of New Orleans, USA.
{{surname, DuMaine