Nancy Evelyn Salas MBE (28 July 1910 – 18 December 1990) was an Australian music teacher and musicologist.
Salas was born in Coolgardie, Western Australia, to Annie (née Maguire) and Godfrey Dowling Salas. Her father was of Hungarian descent. Salas learned piano from a teacher in Kalgoorlie, and gained her licentiate in music from Trinity College London in 1929. She moved to Sydney in 1934 and began working as a music teacher, from 1938 also studying under Alexander Sverjensky at the New South Wales State Conservatorium of Music. Salas was appointed to the staff of the conservatorium in 1955, teaching piano and harpsichord. She performed both the instruments with the Sydney Symphony Orchestra, under conductor Eugene Goossens, and also made recordings for the Australian Broadcasting Commission (ABC).
A devotee of Béla Bartók, Salas formed the Bartók Society of Australia in 1955, and in 1963 went to Hungary to study his archives, meeting with his widow, Ditta Pásztory-Bartók. She was also interested in Baroque music, undertaking research with Gustav Leonhardt and Ralph Kirkpatrick, and the music of . In 1979, Salas and a pupil, Kathryn Selby, performed in front of the United Nations General Assembly in New York as part of a concert to celebrate the International Year of the Child. She retired from the conservatorium the following year. Salas received several honours during her career. She was appointed a Member of the Order of the British Empire (MBE) in 1977 and received the Queen Elizabeth II Silver Jubilee Medal, and also received medals from the Hungarian and West German governments.