Güímar is the name of a municipality, town, and valley in the eastern part of the Spanish island of Tenerife, one of the Canary Islands, and part of the province of Santa Cruz de Tenerife. The municipality is located in the southeastern end of the island, and extends for 1,029 square kilometers (0.4 square miles) from the mountainous interior to the beaches on the Atlantic, and borders the municipalities of La Orotava, Arafo, and Fasnia. Its estimated population is 15,271. is linked with the TF1 superhighway and has an interchange near and is also linked with the old highway linking Arona and Santa Cruz de Tenerife. is also a suburb of Santa Cruz de Tenerife and is one of the southernmost.

The municipality is famous for the mysterious Pyramids of Güímar, and a portion of its volcanic landscape has been set aside as the Reserva Natural del Malpaís de Guimar, whose highest point is Montaña Grande. Canary Island Pines can be seen in the Parque Natural de la Corona Forestal.