| Abbreviation | Definition |
|---|---|
| TW | Tech Wizard |
| TW | Technical Work |
| TW | Techno Wizard |
| TW | Temporary Work |
| TWA | Technical Web Administrator |
| TWA | Temporary Work Agencies |
| TWG | Tactical War Gamer |
| TWN | Two Weeks Notice |
| TYP | Typist |
| U | Useless |
| UA | Undercover Agent |
| UA | Undergraduate Assistant |
| UAP | Unlicensed Assistive Personnel |
| UAW | United Auto Worker |
| UB | Ultimate Babysitter |
| UC | Unix Consultant |
| UC | User Consultant |
| UC | Utility Clerk |
| UDC | Urban District Commissioner |
| UDJ | Ultimate Disk Jockey |