Cahors (kaɔʁ; Occitan: Caors pronounced ) is the principal town and commune in south west France capital of the Lot département. Its site is dramatic being contained on three sides within an udder shaped twist in the river Lot known as a 'presqu'île' or peninsula. Today it is perhaps best known as the centre of the famous AOC 'black' wine known since the Middle Ages and exported via Bordeaux, long before that region had developed its own viticulture industry.
Cahors was prominent in the Middle Ages and saw considerable conflict during the Hundred Years War and the later Wars of Religion . It was also infamous at that time for having bankers that charged interest on their loans. The church in these times said that using money as an end in itself (usury) was a sin. Because of this Cahors became synonymous with this sin, and was mentioned in Dante's Inferno alongside Sodom as wicked.
Pope John XXII, born Jacques Duèze or d'Euse, was born in Cahors in 1249, the son of a shoemaker.
Cahors was the start of Stage 18 in the 2007 Tour de France.
It is the seat of the Diocese of Cahors.

The area around Cahors produces wine, primarily robust and tannic red wine. Wine from the Cahors appellation must be made from at least 70% Cot (also called Malbec, Mabeck, Auxerrois and Pressac) grape, with a maximum of 30% Merlot or Tannat grape varieties.