Loubressac (French pronunciation: [lubʁəsak];[3][4] Occitan: Laubreçac) is a commune in the Lot department in south-western France.

A commune of Quercy, the old fortified village stands at the top of a rocky peak overlooking the left bank of the Bave river.

The toponym Loubressac, of Gallo-Roman origin, is based on an anthroponym Lupercius.

On 14 July 1944, during Operation Cadillac, the largest parachute drop of weapons (558 containers) for the French Resistance took place in the commune, on a field at La Maresque, operated by 75 B-17 Flying Fortresses accompanied by 200 fighters.

Loubressac has been rewarded with two flowers label in the competition, Concours des villes et villages fleuris The American poet Sylvia Plath (1932-1963) wrote Stars over the Dordogne during her stay at Lacam de Loubressac in the summer of 1961.