Adhanur is a village in the Needamangalam taluk of Tiruvarur district in Tamil Nadu, India.

As of 2001 census, Adhanur had a population of 2,777 with 1,466 males and 1,311 females. The sex ratio was 894. The literacy rate was 77.73.

• "Primary Census Abstract - Census 2001". Directorate of Census Operations-Tamil Nadu. Archived from the original on 17 February 2011.