TRW was an American corporation
TRW Automotive is an American corporation
The Retriever Weekly, also abbreviated as trw, is UMBC's Weekly Student Newspaper.
TRW may also refer to:
- Term rewriting
- Tropical storm warning
- TRW Credit Group, also TRW Information Services (now Experian)
- Thigpen Rotary Woofer - a device for producing subsonic (0-20 Hz) audio effects.
- IATA airport code for Bonriki International Airport of South Tarawa, Kiribati
- Tempore Regis Willelmi ("in the time of King William"), Latin term used by scholars to refer to arrangements mentioned in Domesday Book which were current during the reign of William the Conqueror (r. 1066-1087), as opposed to TRE (Tempore Regis Eduardi).