Tsat or TSAT may refer to: Tsat language, a language spoken in Hainan, China Target start approval time, a facet of Airport Collaborative Decision Making Thinking Schools Academy Trust, a multi-academy trust in the United Kingdom Tarlac School of Arts and Trades, now Tarlac State University, Philippines Transformational Satellite Communications System Transferrin saturation in medicine, the ratio of serum iron and total iron-binding capacity Tsat, a Cantonese vulgar word Tilted single axis tracker, a type of solar tracker Target Startup Approval Times, see DMAN for further details Tactical Situational Awareness Test, a method to measure situational awareness at the small unit tactical level Tsat, the saturation temperature