Desnoyers is a surname. Notable people with the surname include: Auguste Gaspard Louis Desnoyers (1800–1887), French engraver Daniel Desnoyers, Canadian radio host and DJ Jules Desnoyers (1800–1887), French geologist and archaeologist Luc Desnoyers (born 1950), Canadian politician Peter J. Desnoyers (1772–1846), Detroit silversmith and businessman Peter Desnoyers (1800–1880), Detroit businessman and politician See also Charles Desnoyer (1806–1858), French actor, playwright and theatre manager