Chhanda Gayen (ছন্দা গায়েন; 9 July 1979 - 20 May 2014) was a Bengali mountaineer, martial artist, explorer, and teacher of self-defense. She is best known for being the first civilian woman from the Indian state of West Bengal to climb to the summit of Mount Everest, at 7 A.M., 18 May 2013. She was awarded as Sera Avishkar in Sera Bangali 2013 from ABP Ananda (8 August 2013).