Doriot Anthony Dwyer (March 6, 1922 – March 14, 2020) was an American flutist. She was one of the first women to be awarded principal chair for a major U.S. orchestra (following hornist Helen Kotas, who was appointed principal horn of the Chicago Symphony in 1941. She was the principal flute for the Boston Symphony Orchestra from 1952 until 1990. She was second flute for the National Symphony Orchestra and the Los Angeles Philharmonic. She was an Adjunct Professor of Music at Boston University.