Grégoire is both a surname and a given name. Notable people with the name include:

Surname / Family name

• Alexandre Grégoire (1922–2001), Haitian painter
• Antonina Grégoire (1914-1952), Belgian commercial engineer, feminist and communist, member of Belgian Partisans Armés resistance during the Second World War
• Augustus Gregoire (1936–1972), Dominican cricketer
• Christine Gregoire (born 1947), American Democratic governor of the state of Washington
• Christophe Grégoire (born 1980), Belgian footballer
• Gabriel Grégoire (born 1953), defensive lineman in the Canadian Football League
• Gilles Grégoire (1926–2006), 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
• Jérémy Grégoire (1995), professional ice hockey player
• Joseph-Ernest Grégoire (1886–1980), French Canadian politician
• Marie Grégoire (born 1965), Canadian politician of Quebec
• Oscar Grégoire (1877–1947), Belgian water polo player
• Paul Grégoire (1911–1993), Canadian Archbishop of Montreal
• Paul Grégoire (sculptor), (1915–1988), Dutch sculptor
• Pierre Grégoire (c.1540–1597), French jurist and philosopher
• Pierre Grégoire (1907–1991), Luxembourgian politician, journalist, and writer
• Romain Grégoire (born 2003), French road cyclist
• Sophie Grégoire (born 1975), wife of Justin Trudeau
• Stéphan Grégoire (born 1969), French race car driver

Given name

• Grégoire (musician) (full name Grégoire Boissenot,; born 1979), French composer and singer-songwriter
• Grégoire-Pierre Agagianian, leading prelate of the Armenian Catholic Church
• Grégoire Aslan (1908–1982), Armenian actor
• Grégoire Barrère (born 1994), French tennis player
• Grégoire Bélanger (1889–1957), Canadian politician of Quebec
• Gregoire Boonzaier (1909–2005), South African artist
• Grégoire Bouillier (born 1960), French memoirist
• Grégoire Colin (born 1975), French actor
• Grégoire Kayibanda (192–1976), former President of Rwanda
• Grégoire Laurent (1906–?), Luxembourgian boxer
• Gregoire Maret (born 1975), Swiss musician
• Grégoire Margotton (born 1969), French sports journalist
• Grégoire De Mévius (born 1962), Belgian rally driver
• Grégoire Mbida (born 1952), retired Cameroonian professional footballer
• Grégoire Michonze (1902–1982), Russian-French painter
• Gregoire Ndahimana (born 1952), Rwandan war criminal
• Grégoire Orlyk (1702–1759), French military commander
• Grégoire de Saint-Vincent (1584–1667), Flemish Jesuit mathematician
• Gregoire Seither (born 1964), Franco-German journalist, graphic designer, interpreter and internet activist

See also

• Gregoire (chimpanzee), Africa's oldest known chimpanzee
• Saint-Grégoire (disambiguation)