The Province of Lecce (Italian: Provincia di Lecce) is a province in the Apulia region of Italy. Its capital is the city of Lecce. Totally included in the Salento peninsula, it is the second most populous province in Apulia and the twenty-first most populous in Italy.

It has an area of 2,759 km² and a total population of 814,495 (2012). There are 97 comunes (Italian: comuni) in the province, see Comunes of the Province of Lecce. As of 2009, the main communes by population were: