AS3

AS3 or AS-3 may refer to:


 * ActionScript 3.0, ECMAScript
 * AS3 (networking), Applicability Statement 3, a specification standard by which applications communicate for Electronic Data Interchange
 * AS-3 Kangaroo, NATO reporting name for Russian Raduga Kh-20 cruise missile.
 * RuPaul's Drag Race All Stars 3, the third season of television series RuPaul's Drag Race: All Stars.
 * Smith & Wesson AS, a 12 gauge select fire shotgun.
 * As(3-), the arsenide anion in chemistry