Nadir (disambiguation)

The nadir is a low or downward point of reference.

Nadir may also refer to:


 * Nadir (horse) (1955–1978), an American Thoroughbred racehorse
 * Nadir (name), a surname and given name
 * Nadir (topography), a point of lowest local elevation
 * Nadir (web portal), a German web portal
 * Nadir, U.S. Virgin Islands, a settlement
 * Nadirs (autobiography), by Herta Müller
 * The Nadir, a fictional tribe in the novel Legend and other works by David Gemmell
 * "Nadir", a song by Byzantine from Oblivion Beckons
 * "Nadir", a song by Sadist from Above the Light
 * Network Anomaly Detection and Intrusion Reporter, an intrusion detection system
 * Nadir crater, a undersea feature on the Guinea Plateau in the Atlantic Ocean, named after the Nadir Seamount, located 100 km to the south