Alcántara (Spanish: [alˈkan.ta.ɾa] ⓘ) is a municipality in the province of Cáceres, Extremadura, Spain, on the Tagus, near Portugal.

To this period, and to the following Roman domination, belong the remains of several castra (military camps), villas and the bridge which gives its name to the city.

Alcántara was a frontier city in the 12th and 13th centuries, devoted to military activities and animal husbandry.

Ferdinand II of León liberated Alcántara in 1167 during his wars against Portugal, but the town was later recaptured by the Almohads.

In 1499, Peter of Alcántara, teacher of Theresa of Ávila, saint and Franciscan reformer, was born here.