Suranjan Das (February 22, 1921 -January 10, 1970) was a pilot in the Indian Air Force. He joined the Royal Indian Air Force during the Second World War. He was amongst the first pilots to be sent to Empire Test Pilots School to a test pilot for the Indian Air force. He was a group captain. He commanded the Halwara Air Force Station Base between 1967 and 1969 and was the director of the Aircraft & Armament Testing Group of the Indian Air Force from 1969 until his death. He was awarded the Padma Vibhushan posthumously in 1970.[2][3] He was the son of Sudhi Ranjan Das[4] He died in an air crash while test flying a HAL HF-24[5] prototype.