Alagiyamanavalam is a village in the Ariyalur taluk of Ariyalur district, Tamil Nadu, India. Melaramanallur, an island hamlet located on Kollidam River, is a part of Alagiyamanavalam Revenue Village and Panchayat.
census, Alagiyamanavalam had a total population of 3,750 with 1,836 males and 1,734 females.