SCIA may refer to: Scandinavian Conference on Image Analysis Spinal Cord Injuries Australia Software change impact analysis United States Senate Committee on Indian Affairs The Sky Crawlers: Innocent Aces, an air combat video game Shenzhen Court of International Arbitration Setor Complementar de Indústria e Abastecimento, an administrative region of the Federal District in Brazil Simultaneous converging instrument approach, a form of instrument approach in aviation