Dumouchel is a surname of French origin, originating as a habitational name for someone from any of several places named Le Mouchel. Notable people with the surname include:
- Albert Dumouchel (1916-1971), Canadian printmaker, painter, and teacher
- Léandre Dumouchel (1811-1882), Canadian doctor and political figure
See also
- Portrait of Dr. Dumouchel, a 1910 painting by Marcel Duchamp
- Mouchel (surname)
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