That's So Raven, an American TV show

Technically Specified Rubber, a form of rubber

Full Metal Panic!: The Second Raid, an anime

BAC TSR-2, a prototype British bomber

The Stone Roses, a rock band from Manchester

The Shadow Rising, the fourth book in American author Robert Jordan's fantasy series The Wheel of Time

TSR, Inc. (originally Tactical Studies Rules) was the publisher that originally released the Dungeons & Dragons role-playing game

The Strategic Review, a magazine published by TSR, Inc in the 1970s

TSR I and II, prototypes of the Fairey Swordfish torpedo bomber

The Student Room, a United Kingdom-based internet forum

Terminate and Stay Resident, utility programs used in MS-DOS

The Sports Reporters, an American sports talk show

Timişoara "Traian Vuia" International Airport

Technical Support Representative

True Symphonic Rockestra

TSR Records, a record label

Télévision Suisse Romande, a French language Swiss TV channel

Tip speed ratio, a measurement used for wind turbines

Total Shareholder Return, a concept used to compare the performance of different companies’ shares

Thermochemical sulfate reduction, a process of chemical reduction of sulfate in sulfide occurring at elevated temperature, e.g. in an oil field and important for organic matter maturation