PAST

PAST or Past may refer to:


 * past, the totality of events which occurred before a given moment in time
 * Past tense
 * PAST (Poland) (Polish: Polska Akcyjna Spółka Telefoniczna, Polish Telephone Joint-stock Company), a defunct Polish telephone operator
 * PAST Foundation, an American educational foundation
 * PAST storage utility, a distributed storage system
 * Pan African School of Theology (PAST), Nyahururu, Kenya
 * Primeval Structure Telescope (PaST), a Chinese radio telescope
 * Summit Airport (Alaska) (ICAO airport code: PAST)
 * Past a sculpture in Washington, D.C, by Robert Ingersoll Aitken
 * PAST: The Newsletter of the Prehistoric Society