Khadim Hussain Khan (1907 – Jan 11 1983) was born in Atrauli, Uttar Pradesh, India. Initiated into music by his father Altaf Hussain Khan, also got trained under his grand uncle Ustad Kallan Khan (younger son of Ustad Ghagge Khudabaksh). They were both court musicians of the Jaipur.

Khadim Hussain Khan had a long and arduous training for 12 years, practicing for more than 12 hours every day. He moved to Bombay in the late twenties and was part of the Mumbai music circles for many decades. He was a superb teacher. Famous for his Layakari, it was difficult to grasp for the untrained. He was a revered composer and composed several Bandishes with pen name "Sajan Piya”.

His disciples include his younger brother Ustad Latafat Hussain, Saguna Kalyanpur, Babanrao Haldankar, Jyotsna Bhole and Lalith Rao. He was awarded with Maharashtra State Award (1978), Sangeet Natak Akademi Award (1978), Padma Bhushan (1982), Tansen Samman from Govt, of Madhya Pradesh (1986) and ITC Award. His students set up a trust under the name "Sajan Milap" in the seventies.