Sendankadu is a village in the Pattukkottai taluk of Thanjavur district, Tamil Nadu, India.

As per the 2001 census, Sendankadu had a total population of 3248 with 1564 males and 1684 females. The sex ratio was 1077. The literacy rate was 70.11.

• "Primary Census Abstract - Census 2001". Directorate of Census Operations-Tamil Nadu. Archived from the original on 6 August 2009.