Breault is a surname. Notable people with the surname include:
Ann Breault (1938–2021), Canadian teacher, nurse, journalist and politician Frank Breault (born 1967), Canadian ice hockey player Henri Breault (1909–1983), Canadian doctor and medical researcher Henry Breault (1900–1941), United States Navy submarine sailor Kevin D. Breault, American sociologist Michael Breault (born 1958), American game designer, editor, and author Nicole Breault, American sailor Robert Breault (born 1963), American operatic tenor