Dilhan Eryurt (29 November 1926 – 13 September 2012) was a Turkish astrophysicist who made major contributions to scientific research on the formation and evolution of the Sun and other main sequence stars. From 1961 to 1973, Eryurt worked for NASA, performing research for the Apollo program. She then established the astrophysics department at the Middle East Technical University (METU) in Turkey. She was the Dean of METU's science and literature faculty from 1988 to 1993.