Duchamp is a surname of French origin meaning "from the field". Notable people with the surname include:

Alexina Duchamp (1906–1995), American art dealer L. Timmel Duchamp (born 1950), American author Marcel Duchamp (1887–1968), French artist Raymond Duchamp-Villon (1876–1918), French sculptor Suzanne Duchamp (1889–1963), French painter

See also Del Campo (surname), Spanish counterpart Van de Velde, Dutch counterpart