Selma Amansky (5 January 1909 - 25 August 1987), also known by her married name Selma Caston or Selma Amanky-Caston, was an American soprano and voice teacher. She had a brief but prominent career in Philadelphia in the late 1930s and early 1940s; performing frequently with the Philadelphia Opera Company and the Philadelphia Orchestra. She was married to the conductor Saul Caston who was principal conductor of the Denver Symphony Orchestra from 1945-1964. After he left this post, the couple resided in Winston-Salem, North Carolina where Selma taught on the voice faculty of the University of North Carolina School of the Arts for thirteen years.