Gregoire as a surname

• Alexandre Grégoire (1922-2001), Haitian painter
• Christine Gregoire (b. 1947), American Democratic governor of the state of Washington.
• Christophe Grégoire (b. 1980), Belgian footballer.
• Gabriel Grégoire (b. 1953), defensive lineman in the Canadian Football League.
• Gilles Grégoire (1926-1906), co-founder of the Parti Québécois.
• Henri Grégoire (1750-1831), French Roman Catholic priest, constitutional bishop of Blois and a revolutionary leader.
• Henri Grégoire (historian) (1881-1964), scholar of the Byzantine Empire.
• Jean-Albert Grégoire (1899-1992), pioneer of the front-wheel drive car.
• Joseph-Ernest Grégoire (1886-1980), French Canadian politician.
• Marie Grégoire (b. 1965), Canadian politician of Quebec.
• Oscar Grégoire (1877-1947), Belgian water polo player.
• Paul Grégoire (1911-1993), Canadian Archbishop of Montreal.
• Pierre Grégoire (1907-1991), Luxembourgian politician, journalist, and writer.
• Sophie Grégoire (b. 1975), wife of Justin Trudeau.
• Sylvie Gregoire, American biotechnology and pharmaceutical company executive.
• Stéphan Grégoire (b. 1969), French race car driver.

Gregoire as a given name

• Grégoire-Pierre Agagianian, leading prelate of the Armenian Catholic Church.
• Grégoire Aslan (1908-1982), Armenian actor.
• Grégoire Bélanger (1889-1957), Canadian politician of Quebec.
• Grégoire Bouillier, French memoirist.
• Grégoire Colin (b. 1975), French actor.
• Grégoire Kayibanda (1924-1976), Rwandan politician and former President of Rwanda.
• Grégoire Laurent (1906-?), Luxembourgian boxer.
• Gregoire Maret (b. 1975), Swiss musician.
• Grégoire De Mévius (b. 1962), Belgian rally driver.
• Grégoire Mbida (b. 1952), retired Cameroonian professional footballer.
• Grégoire Michonze (1902-1982), Russian-French painter.
• Gregoire Ndahimana (b. 1952), Rwandan war criminal.
• Grégoire Orlyk (1702-1759), French military commander.
• Grégoire de Saint-Vincent (1584-1667), Flemish Jesuit mathematician.
• Gregoire Seither (b. 1964), Franco-German journalist, graphic designer, interpreter and Internet activist.

Places

• Saint-Grégoire, the name of several communes in France.
• Mont-Saint-Grégoire, Quebec, a municipality in Quebec, Canada.
• Mont Saint-Grégoire, mountain in the Montérégie region of southern Quebec.
• Gregoire Lake (Alberta), lake in Alberta, Canada.
• Gregoire Lake Provincial Park, a provincial park in Alberta, Canada, on the shore of Gregoire Lake.
• Saint-Grégoire, Quebec, a community of the city of Bécancour, Quebec.

Other

• Automobiles Gregoire, French car manufacturer.