Brault is a surname. Notable people with the surname include:
Albert Brault (born 1937), American chemist and inventor Jacques Brault (1933–2022), French Canadian poet and translator James W. Brault (1932–2008), American scientist, pioneer of Fourier transform spectroscopy and other forms of spectroscopy Jean Brault, head of Groupaction Marketing and party in the Canadian sponsorship scandal "AdScam" Michel Brault (1928–2013), Canadian cinematographer, film director, producer and screenwriter Pierre F. Brault (1939–2014), Canadian television composer Sarah-Anne Brault (born 1989), Canadian olympian triathlete Steven Brault (born 1992), American professional baseball pitcher Sylvain Brault, Canadian cinematographer William Brault (1927–2012), American businessman