Constance of Aragon (1179 –  June 23, 1222) is an Aragonese infanta who is by marriage firstly Queen consort of Hungary, and secondly Queen consort of Germany and Sicily and Holy Roman Empress.

She is regent of Sicily from 1212–1220.

She is the second child and eldest daughter of the nine children of Alfonso II of Aragon and Sancha of Castile.