Adambar Ukkadai is a village in the Kudavasal taluk of Tiruvarur district in Tamil Nadu, India.

As per the 2001 census, Adambar Ukkadai had a population of 4,540 with 2,230 males and 2,310 females. The sex ratio was 1036.

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