Tabas (طبس) is a desert city in the Iranian province of Khorasan. It was near Tabas that the United States rescue operation called Operation Eagle Claw failed, because of an air crash.

Tabas was also stricken by a destructive earthquake on September 16, 1978 that left around 25000 dead. The earthquake was measured between 7.5 and 7.9 on the scale of Richter.