Caldas may refer to:
Places Çaldaş, Azerbaijan Caldas Department, in Colombia Caldas, Antioquia, a town in Antioquia, Colombia Caldas, Boyacá, a town in Boyacá, Colombia Caldas, Minas Gerais, a town in the state of Minas Gerais in Brazil Poços de Caldas - a city in the state of Minas Gerais in Brazil Caldas de Reis, a municipality in Galicia, Spain Caldas (comarca), a comarca in the Province of Pontevedra, Galicia, Spain Caldas da Rainha, Portugal Caldas de São Jorge, a parish in the municipality of Santa Maria da Feira São João de Caldas de Vizela, a parish in the municipality of Vizela São Miguel de Caldas de Vizela, a parish in the municipality of Vizela
People Francisco José de Caldas, Colombian lawyer and scientist, after whom the department and the town are named. António Pereira de Sousa Caldas, Brazilian poet
Others , ships of the Colombian Navy Caldas Sport Clube, a football club in Portugal