TSR may mean:

• TSR, Inc. (originally Tactical Studies Rules) was the publisher that originally released the Dungeons & Dragons role-playing game
• The Shadow Rising
• Technically Specified Rubber, a form of rubber
• Technical Service Request
• Telemarketing Sales Rule
• Télévision Suisse Romande, a French language Swiss TV channel
• Terminate and Stay Resident
• The Student Room
• Torque Speed Relationship
• Total Shareholder Return
• Tropical Storm Risk
• That's So Raven
• BAC TSR-2, a prototype British bomber
• TSR I and II, prototypes of the Fairey Swordfish torpedo bomber

TSR