Ardea

Ardea may refer to:
 * Ardea, Lazio, a town in Lazio, Italy
 * Ardea (bird), a genus of large herons and some egrets
 * Ardea (journal), an ornithological journal published by the Netherlands Ornithologists' Union
 * The Ardea, a condominium high-rise building in Portland, Oregon, USA
 * Lancia Ardea, a small car produced by the Turin firm between 1939 and 1953
 * Aridaia, a small town in Pella, Macedonia, Greece