Lakhisarai town is the administrative headquarters of Lakhisarai district in Bihar state in eastern India. The town has an population of 77,840 (2001 census). It is well connected by road and rail routes. It is situated on Patna-Howrah main line passing through Kiul junction. NH-80 passes through the town. The town has a number of small scale industrial units, which include iron rod manufacturing, rice mills, Sindur (vermilion) factories, insecticide manfacturing units.