Krishnanagar can refer to:In IndiaKrishnanagar, Agartala, a locality in Agartala, TripuraKrishna Nagar, Hyderabad, a neighbourhood of Hyderabad, Andhra PradeshKrishnanagar, Karnataka, a village in Belgaum districtKrishnanagar, Nadia, a town in Nadia district, West BengalKrishnanagar I and Krishnanagar II, community development blocks in the Nadia districtKrishnanagar (Lok Sabha constituency)Krishnanagar Uttar (Vidhan Sabha constituency)Krishnanagar Dakshin (Vidhan Sabha constituency)Krishnanagar Sadar subdivision, a subdivision of the Nadia districtElsewhereKrishnanagar, BangladeshKrishnanagar, Nepal