SCN may stand for: Science and technology .scn, SceneKit archive format Satellite Catalog Number, an identification number given to satellites Scandium nitride (ScN), an inorganic compound Scene mode, a mode in digital cameras Server change number, a counter variable used in client-server architecture Sociocybernetics Switched circuit network, i.e. the public switched telephone network System change number, a stamp that defines a committed version in an Oracle Database Thiocyanate, an organic compound in the cyanate family Medicine SCN1A to SCN11A, and SCN2B to SCN4B, sodium channel genes and beta subunits Severe congenital neutropenia, rare disorders Solid cell nests, in pathology Soybean cyst nematode, a type of parasitic nematode Suprachiasmatic nucleus, in the brain's hypothalamus Communications & media SCN (TV station), a TV station in Broken Hill, New South Wales, Australia Saskatchewan Communications Network, a TV channel Southern Command Network, an American Forces Network SAP Community Network, of SAP SE users SCN, former branding of GLV/BCV, a TV station in Victoria, Australia Organizations Sisters of Charity of Nazareth, a Roman Catholic religious order Supervisory Council of the North, an Afghan military unit Supreme Court of Nigeria Other uses Saarbrücken Airport (IATA: SCN), in Saarland, Germany Scottish Candidate Number, a student identifier Sicilian language (ISO 639: scn)