Moissac (French pronunciation: [mwasak]) is a commune in the Tarn-et-Garonne department in the Occitanie region in southern France.

In 1808, Napoleon decreed the city be attached to the new department of Tarn-et-Garonne.

Moissac was heavily damaged in March 1930 by flooding of the Tarn, which devastated much of southwestern France.

[4] In 2020, National Rally politician Romain Lopez was elected mayor.

All that remains of the 11th-century building is the massive bell tower-porch, a sort of keep with a walkway, built for defensive purposes but whose top floor only dates from the end of the Gothic period.