Erukattur is a village in the Koothanallur taluk of Tiruvarur district in Tamil Nadu, India. The village is located 10.2 km southwest of Thiruvarur and 10.5 km southeast of Koradacheri. Very recently the taluk was changed from Kudavasal to Koothanallur.

As per the 2001 census, Erukattur had a population of 1,059 with 525 males and 534 females. The sex ratio was 1017. The literacy rate was 72.9.

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