Leila Esfandyari (; Feb 17, 1970 in Karaj, Iran - July 22, 2011, Gasherbrum II, Pakistan) was an Iranian mountain climber. Esfandyari was the first Iranian woman to scale the summit of Nanga Parbat in the Himalayas, the world's ninth highest peak with an altitude of 8,125 metres and one of the deadliest peaks. Esfandyari is regarded as a pioneer in the women's mountain climbing movement, being one of few women in the world to have completed a similar attempt.