Nawabganj Assembly constituency (Hindi: नवाबगंज विधान सभा निर्वाचन क्षेत्र) is one of the 403 constituencies of the Uttar Pradesh Legislative Assembly, India. It is a part of the Bareilly district and one of the five assembly constituencies in the Bareilly (Lok Sabha constituency). First election in this assembly constituency was held in 1952 after the "DPACO (1951)" (delimitation order) was passed in 1951. After the "Delimitation of Parliamentary and Assembly Constituencies Order" was passed in 2008, the constituency was assigned identification number 121.