Saint Martin may refer to:

People

• Saint Martin of Tours (c. 316–397), Bishop of Tours, France
• Saint Martin of Braga (c. 520–580), archbishop of Bracara Augusta in Gallaecia (now Braga in Portugal)
• Pope Martin I (598–655)
• Saint Martin of Arades (died 726), canonized monk from Corbie Abbey whose feast day is November 26
• Saint Martin of Soure (died 1146), Portuguese cleric canonized after martyrdom to the Moors of Cordoba
• Saint Martin de Porres (1579–1639), Peruvian lay brother of the Dominican Order
• Saints Martin Tho and Martin Tinh Duc Ta, two Vietnamese Martyrs who died between 1745 and 1862

Places

• Saint Martin (island), an island in the northeast Caribbean, divided between France and the Netherlands
  • Collectivity of Saint Martin, French portion of the island
  • Sint Maarten, Dutch portion of the island

Angola

• Saint Martin of the Tigers, ghost town in southern Angola

Austria

• Saint Martin, a village in Freudenburg, Magdalensberg, Austria

Canada

• Saint-Martin, Quebec, a parish municipality in the province of Quebec
• Saint-Martin, Laval, Quebec, a residential section of the city of Laval in Quebec

France

• Saint-Martin, Bas-Rhin
• Saint-Martin, Gers
• Saint-Martin, Hautes-Pyrénées
• Saint-Martin, Meurthe-et-Moselle
• Saint-Martin-de-Fenouillet, in the Pyrénées-Orientales département
• Saint-Martin-de-Belleville, in the Savoie département
• Saint-Martin-de-Pallières, in the Var département
• Saint-Martin-de-Ré in the Charente-Maritime département
• Saint-Martin-sur-Oust, in the Morbihan département

Switzerland

• Saint-Martin, Fribourg
• St. Martin, Graubünden
• Saint-Martin, Valais

United Kingdom

• Fornham St Martin, a village and parish in Suffolk
• St Martin-by-Looe, a civil parish in Cornwall, which doesn't contain St Martin
• St Martin-in-Meneage, Cornwall
• St Martin, Looe, a hamlet in the parish of Looe, the location of St Martin's Church

Channel Islands

• Saint Martin, Guernsey
• St Martin, Jersey

United States

• St. Martin Parish, Louisiana
• St. Martin Island, Michigan
• St. Martin, Minnesota
• St. Martin Township, Stearns County, Minnesota
• St. Martin, Mississippi
• St. Martin, Ohio

Schools

• St Martin de Porres, Adelaide, a Catholic school in Adelaide, South Australia
• St. Martin Secondary School, a school in Mississauga, Ontario, Canada
• St. Martin High School, a school located in Ocean Springs, Mississippi

Transit

• Saint-Martin station (Laval, Quebec), a former commuter rail station in Canada
• Saint-Martin (Paris Métro), a former Paris Métro station
• Saint-Martin-d'Étampes (Paris RER), a railroad station in Étampes, Essonne, France
• Gare de Caen Saint-Martin, a former railroad station in Caen, France

Other uses

• Saint Martin (grape) or Enfariné noir, a French wine grape
• San Martin Txiki, a figure in Basque mythology
• St. Martin Island Light, a lighthouse in Michigan
• Villa Saint-Martin, a centre in Ignatian spirituality in Montreal, Canada

People with the surname

• Alexis St. Martin (1802–1880), Canadian voyageur
• Fernande Saint-Martin (1927–2019), Canadian art critic, museologist, semiologist, visual arts theorist and writer
• Louis Claude de Saint-Martin (1743–1803), French mystic philosopher
• Louis St. Martin (1820–1893), American politician from Louisiana
• Paul Saint-Martin (1901–1940), French politician