Garhmukteshwar Assembly constituency is one of the 403 constituencies of the Uttar Pradesh Legislative Assembly, India. It is a part of the Hapur district and one of the five assembly constituencies in the Amroha Lok Sabha constituency. First election in this assembly constituency was held in 1957 after the Delimitation of Parliamentary and Assembly Constituencies Order 1961 (DPACO) was passed. After DPACO 2008 was passed, the constituency was assigned identification number 60. During the 3rd Vidhan Sabha, the constituency was reserved for candidates from scheduled caste community.