Breton or Bretón is a surname. Notable people with the surname include:

• Adela Breton (1849–1923), English archaeologist
• Alex Breton (born 1997), Canadian ice hockey player
• André Breton (1896–1966), French author and surrealist theorist
• André Breton (1934–1992), Canadian singer
• Aurora Bretón (1950–2014), Mexican archer
• Didier Breton, business executive
• Pierre-Napoléon Breton (1858–1917), early Canadian numismatist
• Joel Breton (born 1971), game producer, entrepreneur and disc jockey
• Jules Adolphe Aime Louis Breton (1827–1906), French realist painter
• Julio Carrasco Bretón (born 1950), Mexican artist
• Malan Breton (born 1973), American fashion designer
• Manuel Bretón de los Herreros (1796–1873), Spanish dramatist
• Marisol Bretón (born 1975), Mexican archer
• Micky Bretón (1960–2009), Dominican television writer, director, and producer
• Nicholas Breton, 16th-century poet
• Nora Bretón, Mexican physicist
• Thierry Breton (born 1955), European Commissioner for the Internal Market
• Tomás Bretón (1850–1923), Spanish musician and composer