STB is an acronym that can stand for: Sacrae Theologiae Baccalaureus, or Bachelor of Sacred Theology set-top box, a television device that converts signals to viewable images The StB, the secret police in Communist Czechoslovakia a graphics card manufacturer, see STB Systems Singapore Tourism Board spin the bottle STB, Sonia Tetlow Band, an Atlanta based Rock band STB, () television channel in Ukraine. STB Technologi