Das International Theatre Institute (ITI) unterhält enge Beziehungen zu vielen internationalen Organisationen der darstellenden Künste, und eine lange Tradition der Begegnung des Austauschs und der Kooperation. Vertreter der der folgenden Verbände und Gruppen werden regelmässig zu den ITI-Kongressen eingeladen.
Internationale Partnerorganisationen
- Arab Theatre Institute / ATI
- European Theatre Convention / ETC-CET
- European Federation of Professional Circus Schools / FEDEC
- International Amateur Theatre Association / IATA-AITA
- International Association of Theatre Critics / IACT-AICT
- International Association of Theatre for Children and Young People / ASSITEJ
- International Drama and Theatre and Education Association / IDEA
- International Federation for Theatre Research / IFTR-FIRT
- International Federation of Actors / IFA-FIA
- International Music Council / IMC-CIM
- International Puppeteers Union / UNIMA
- International Organization of Scenographers, Theatre Architects and Technicians / OISTAT
- International Society of Libraries and Museums for the Performing Arts / SIBMAS
- International Theatre of the Oppressed Organisation / ITO
- International University Theatre Association IUTA / AITU
- On the Move, Cultural mobility information network
- Theatre Without Borders
- World Dance Alliance – WDA
- World Mime Organization – WMO