The canton of Lavit was one of the 12 cantons of the arrondissement of Castelsarrasin, in the Tarn-et-Garonne department, in southern France. It had 3,056 inhabitants (2012).[1] It was disbanded following the French canton reorganisation which came into effect in March 2015. It consisted of 14 communes, which joined the canton of Garonne-Lomagne-Brulhois in 2015.[2]