TR2

TR2 may refer to:


 * C++ Technical Report 2, a document proposing additions to the C++ Standard Library after Technical Report 1
 * Tomb Raider II, a video game
 * Theatre Royal 2, a drama productions studio, part of Theatre Royal, Plymouth
 * Triumph TR2, a sports car from the British Triumph Motor Company
 * a Tr2 2-10-0 steam locomotive (decapod) built in the USA, but operated in Finland
 * TR-2, a variant of the Grumman American AA-1
 * TR.2, a variant of the Hitachi TR.1
 * TR.2, see Orenda Engines
 * TR2, a postal district in the TR postcode area
 * TAS1R2, a taste receptor
 * Temple Run 2
 * Westinghouse TR-2 research reactor operated in the 1960s