TWR may mean:
- Tom Walkinshaw Racing, a racing team founded in 1976
- Trans World Radio, a multinational Christian evangelistic broadcaster
- Traveling wave reactor, a type of nuclear reactor that would convert fertile material into fissile fuel
- Tokyo Waterfront Area Rapid Transit, Japan
Usage examples of "twr".
History still dozed, here rose the Tower of Twr Brauwen, white-bosomed sister of Bran the Blessed.