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

As per the 2001 census, Kotrapatti had a total population of 741 with 379 males and 362 females. The sex ratio was 955. The literacy rate was 75.08.

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