Pérez Zeledón is the name of the 19th canton of the province of San José in Costa Rica. The canton has an area of 1,905.51 square kilometres (735.72 sq mi),. It has a population of 134,534. The capital city of the canton is San Isidro de El General.
The canton's boundaries are made by Río Savegre river, Río Guabo river, and the coastal mountain ranges. The canton has the highest mountains peaks of the Cordillera de Talamanca (Talamanca Mountain Range) on the east. In the middle of the canton, the Río General river goes from north to south.