A martinet is a type of whip. Martinet is also a French name and may refer to:
People André Martinet, French linguist Charles Martinet, American actor François-Nicolas Martinet, French ornithologist Jean Martinet, French drillmaster Jean-Louis Martinet, French composer Jeanne Martinet, French semiotician Lucien Martinet, French rower who competed in the 1900 Summer Olympics Louis Martinet, French painter, art gallery owner, and theatre director Pierre Martinet, French spy
Places Le Martinet, a commune in Languedoc-Roussillon, France Martinet, Vendée, a commune in the Pays de Loire, France
Other Martinet (Dungeons & Dragons), a fictional character The Miles Martinet aircraft The SNCAC Martinet aircraft