佩纽埃拉斯是波多黎各的城镇，位于该岛南部，始建于1793年，面积137平方公里，受热带性气候影响，2010年人口24,282，人口密度每平方公里180人。

Peñuelas (Spanish pronunciation: [peˈɲwelas]) is a municipality in Puerto Rico located in the southern coast of the island, south of Adjuntas, east of Guayanilla, west of Ponce and north of the Caribbean Sea. Peñuelas is spread over 12 wards and Peñuelas Pueblo (The downtown area and the administrative center of the city). It is part of the Yauco Metropolitan Statistical Area. Peñuelas is known as "La Capital del Güiro" (The Güiro Capital) and "El Valle de los Flamboyanes" (The Valley of the Poinciana Trees). Penuelas has about 20,000 inhabitants.