Marquand, as a person, may refer to:
- Allan Marquand (1853–1924), an American art historian
- Christian Marquand (1927–2000), a French director, actor and screenwriter
- David Marquand, (born 1934) an English politician
- Henry Gurdon Marquand (1819–1902), an American philanthropist and collector
- Hilary Marquand (1901–1972), a British politician
- John P. Marquand (1893–1960), an American novelist
- Richard Marquand (1938–1987), a Welsh film director
- James Marquand, a Welsh film editor and director and the son of Richard Marquand
Marquand, as a place, may refer to:
- Marquand, Missouri, a city in Madison County, Missouri, United States