RTR
RTR may refer to:
- Remember The Ronin, The registered trademark (RTR) of the American paintball company "Remember The Ronin."
- Roll Tide Roll, the chant of the University of Alabama's Crimson Tide
- Advanced and retracted tongue root (ATR and RTR), contrasting states of the root of the tongue during the pronunciation of vowels
- Unix RTR, a descendant of the Multi-Environment Real-Time operating system
- Real-time recovery, the ability to recover a server from an infrastructure failure or human-induced error in a time frame that has minimal impact on business operations
- Reformed Theological Review, Australia's longest-running Protestant theological journal
- Remote transmission request, a field name format in a base frame formatted CAN bus
- Royal Tank Regiment, an armoured regiment of the British Army
- Royal Tasmania Regiment, an infantry regiment of the Australian Army
- Russian Tea Room, a restaurant in New York City
- Rigs-to-Reefs
- Return to Ravnica, a magic the gathering block
- Rent the Runway - An online service that provides designer dress and accessory rentals.
In media:
- Rundfunk & Telekom Regulierungs GmbH, the Austrian Regulatory Authority for Broadcasting and Telecommunications
- RTRFM, a not-for-profit, community radio station based in Perth, Western Australia
- Radiotelevisiun Svizra Rumantscha (previously Radio e Televisiun Rumantscha), a Swiss broadcasting company
- Ready to Roll, a 1978 album by Thelma Houston
- Republic: The Revolution, a computer game produced by Elixir Studios
- Reroute to Remain, a 2002 album by In Flames
- Rocket to Russia, a 1977 album the Ramones
- Rome: Total Realism, a complete modification pack for the computer game Rome: Total War
- Rossiya 1 (previously RTR), a state-owned Russian television channel
- Real-Time Relationships, a free book and audio book by Stefan Molyneux