Shah Satnam Singh (25 January 1919 - 13 December 1991) was the second spiritual leader of the Indian religious cult group and non-profit social welfare organisation Dera Sacha Sauda (DSS). Upon the death of the movement's leader and founder His Holiness Beparawah Mastana Ji Maharaj on 18 April 1960, he took the leadership later that year. He was 41 at the time.

Shah Satnam Singh served as leader until 1990. He died on 13 December 1991. Gurmeet Ram Rahim Singh became the third master of DSS on 23 September 1990.