| Acronym | Definition |
|---|
| TBU➣Tape Backup Unit |
| TBU➣The Brotherhood of Unity (gaming clan) |
| TBU➣To Be Updated |
| TBU➣True But Useless |
| TBU➣Tomas Bata University (Czech Republic, Zlin) |
| TBU➣Thinkin' 'bout You |
| TBU➣Tertiary Butyl (chemistry) |
| TBU➣Transient Blocking Unit |
| TBU➣Triune Biblical University (Kelso, WA) |
| TBU➣This Binary Universe (band) |
| TBU➣Nuku Alofa/Tongatapu, Tonga - International (Airport Code) |
| TBU➣Tone-Bearing Unit (linguistics) |
| TBU➣Telephone Balance Unit (broadcast radio industry) |
| TBU➣Time Base Unit (microcontroller) |
| TBU➣The Brand Union (Singapore) |
| TBU➣Teabaggers United (gaming clan) |
| TBU➣Technical Business Unit |
| TBU➣Telemetry Buffer Unit |
| TBU➣The Big Unit (Australian Football League Player) |
| TBU➣Test Before Using |
| TBU➣Tirana Business University (Tirana, Albania) |
| TBU➣Technisch Bureau Uittenbogaart (Netherlands) |
| TBU➣Telephone Balancing Unit |
| TBU➣Terminal Buffer Unit |
| TBU➣Throttle Body Unit (automotive fuel injection system) |
| TBU➣Test By User |
| TBU➣Thorium-Bred Uranium (nuclear fuel) |