Arpin may refer to:

People John Arpin (1936–2007), Canadian composer and musician Marie Luc Arpin (born 1978), Canadian water polo player Michel Arpin (1935–2015), French alpine skier Odo Arpin of Bourges (c. 1060–c. 1130), French medieval crusader Paul Arpin (born 1960), French long-distance runner René Arpin (born 1943), French biathlete Roland Arpin (1934–2010), Canadian educator and public administrator Steve Arpin (born 1983), Canadian race car driver

Places Arpin (town), Wisconsin, US Arpin, Wisconsin, a village in the town Lake Arpin, a lake in Quebec, Canada

Other uses Actin related protein 2/3 complex inhibitor, encoded by the ARPIN gene Arpin Group, an American moving and storage company M. B. Arpin & Co., a British aircraft manufacturer

See also Arpine, a given name Arpino (disambiguation)