Bidegaray is a surname. Notable people with the surname include:
Juan Bidegaray (1919–2010), Uruguayan Olympic sailor Katherine M. Bidegaray (born 1960), justice of the Montana Supreme Court Marcel Bidegaray (fl. 1910s–1920s), general secretary of the Railway Workers' Federation of France Pauline Bidegaray (born 1981), French actress