「國際舞台美術家劇場建築師暨劇場技術師組織」（以下簡稱 OISTAT國際劇場組織），全名為 Organisation Internationale des Scénographes, Techniciens et Architectes de Théâtre, 英譯為 International Organisation of Scenographers, Theatre Architects and Technicians.
OISTAT stands for “Organisation Internationale des Scénographes, Techniciens et Architectes de Théâtre” in French, and “International Organisation of Scenographers, Theatre Architects and Technicians” in English. It is a worldwide organization for scenographers, theatre architects, theatre educators and theatre technicians.
OISTAT generates, promotes and maintains a global network of specialist practitioners, educators and researchers who shape, challenge and imagine elements, events and environments for the live performing arts.
OISTAT serves those who facilitate and create design for live performance: including practitioners, researchers, students and associated partners.
OISTAT promotes the participation of individuals, alliances and institutions as well as the formation of OISTAT centers in all regions of the world.
OISTAT enables the ongoing exchange of knowledge: sharing innovations, encouraging experimentation and promoting international collaborations in the development of live performance as well as its technologies and the space that hosts it.