Haji Hussain Ansari (died 3 October 2020) was an Indian politician and a leader of the Jharkhand Mukti Morcha (JMM). He served as Minister of Minority Welfare and Registration Department in the Government of Jharkhand since 28 January 2020. Ansari was the first and only Muslim to become minister in the state of Jharkhand. He was elected to the Jharkhand Assembly on the JMM ticket four times from Madhupur Assembly constituency in 1995, 2000, 2009 and 2019 respectively. He also acted as the leader of the opposition in 2004.