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

As per the 2001 census, Sennampatti had a total population of 1319 with 630 males and 689 females. The sex ratio was 1094. The literacy rate was 51.25.

The panchayat president is p.rajinikanth.

• "Primary Census Abstract - Census 2001". Directorate of Census Operations-Tamil Nadu. Archived from the original on 29 August 2009.

12°08′N 78°23′E / 12.133°N 78.383°E / 12.133; 78.383