Domariyaganj (Lok Sabha constituency) (Hindi: डोमरियागंज लोक सभा निर्वाचन क्षेत्र) (formerly Domariaganj) is one of the 80 Lok Sabha (parliamentary) constituencies in Uttar Pradesh state in northern up India. This constituency covers the entire Siddharth Nagar district.
Presently, Domariyaganj Lok Sabha constituency comprises five Vidhan Sabha (legislative assembly) segments. These are:
Coordinates: 27°12′N 83°40′E / 27.2°N 83.66°E