Beausoleil, beau soleil or variants may refer to:
- Beausoleil, Alpes-Maritimes, a town in southern France, adjoining the Principality of Monaco
- Beausoleil, New Brunswick, a community in Canada
- Beausoleil, a rural hamlet in the municipality of Compreignac, Nouvelle-Aquitaine, France
- Beausoleil First Nation, a mainly Ojibwa (Chippewa) First Nation located in Simcoe County, Ontario, Canada
- Beausoleil Island, an 8-kilometer long island in Lake Huron, Ontario, Canada
- BeauSoleil, an American musical group specializing in Cajun music
- "Beau Soleil" (The Killing), the twelfth episode of the American television drama series The Killing
- Collège Alpin International Beau Soleil, a private international school founded in 1910 and located in the Swiss Alps
People:
- Bobby Beausoleil (born 1947), former associate of the Manson Family
- Claude Beausoleil (1948–2020), Canadian poet and writer
- Cléophas Beausoleil (1845–1904), Canadian journalist, publisher, lawyer and politician
- Ian Beausoleil-Morrison, American aerospace engineer
- Joseph Broussard (1702–1765), also known as Beausoleil, leader of the Acadian people in Acadia, later Nova Scotia and New Brunswick, Canada
- Joseph Malboeuf, dit Beausoleil (1752–1823), farmer, blacksmith and political figure in Lower Canada
- Martine Bertereau, also known as Baroness de Beausoleil (c. 1600 – after 1642), French mining engineer and mineralogist