| Acronym | Definition |
|---|
| TWR | Tyne and Wear (UK) |
| TWR | Tower |
| TWR | Trans World Radio (Monte Carlo) |
| TWR | Thrust-to-Weight Ratio (mathematics) |
| TWR | Tom Walkinshaw'S Racing |
| TWR | Write Recovery Time |
| TWR | Tom Walkinshaw Racing |
| TWR | Time-Weighted Return (finance) |
| TWR | Teller Wildlife Refuge (Montana) |
| TWR | Tuesday, Wednesday, Thursday (university scheduling) |
| TWR | The World Remembers (Toronto, Ontario, Canada) |
| TWR | Total Wrestling Revolution |
| TWR | The Way Riderz (Christian organization; Sacramento, CA) |
| TWR | Tactical Weather Radar |
| TWR | The Weblog Review |
| TWR | Thomas' Write Rule |
| TWR | Terminal Wealth Relative (portfolio mathematics) |
| TWR | Trailer Weight Rating |
| TWR | Tim Woolley Racing (horseracing) |
| TWR | Threat Warning Receiver |
| TWR | Tail Warning Radar |
| TWR | Technical Work Request |
| TWR | That Which Redeems (comic) |
| TWR | Torre Di Controllo d'Aerodromo (Italian: Aerodrome Control Tower, Italy) |
| TWR | The Wild Rumpus (band) |
| TWR | Tower Water Return |
| TWR | The Wireless Register (website) |