TSR

The abbreviation TSR called:

Theological Seminary Rhineland ( Old churches )
TSR Recycling (formerly Thyssen Sonnenberg Recycling ), a European scrap trading and processing company
Tactical Studies Rules, a former role-playing game company
Transformer switching relay, an electronic assembly
Terminate and Stay Resident, a technique of old DOS programs and early form of multitasking, see TSRs and TSR virus
Télévision Suisse Romande, a television station in Switzerland
TSR (Turkey), a Turkish radio station
Total shareholder return, the return on an equity investment
TSR traffic management systems, traffic management system
Trizepssehnenreflex, a proprioceptive reflex in the forearm
Tournament Rules, see double head
Official IATA code for the airport in Timisoara Romania
A Teilchenspeicherring in Heidelberg, see Max Planck Institute for Nuclear Physics Institute
True Symphonic Rockestra, a project of musician James LaBrie, Vladimir Grishko and Thomas Dewald