Gajraj Singh (Hindi: गजराज सिंह; born 31 July 1953) is an Indian politician who was a member of the 16th Legislative Assembly of Uttar Pradesh of India. In past, He has represented the Hapur constituency of Uttar Pradesh and is a member of the Rashtriya Lok Dal. He was a member of Indian National Congress political party until 2021. In 2017 assembly elections he lost to BJP Candidate.