Puntarenas (Spanish pronunciation: [puntaˈɾenas]) is a province of Costa Rica.

Clockwise from the northwest, it borders on the provinces Guanacaste, Alajuela, San José and Limón, and the neighbouring country of Panama.

The province covers an area of 11,266 square kilometres (4,350 sq mi), and has a population of 410,929.

For administrative purposes, the island Isla del Coco, 500 kilometres (310 mi) offshore in the Pacific Ocean, is considered a part of this province.

Canton (Capital): This Costa Rican location article is a stub.