Amar Singh (27 January 1956 – 1 August 2020) was an Indian politician from the state of Uttar Pradesh. He was the general secretary of the Samajwadi Party and was a member of the Rajya Sabha, the upper house of the Indian parliament. On 6 January 2010, he resigned from all the posts of the Samajwadi Party and was later expelled from the party by its chief, Mulayam Singh Yadav, on 2 February 2010.