| Acronym | Definition |
|---|
| TAU | Tel Aviv University |
| TAU | Treatment-As-Usual |
| TAU | Tuning and Analysis Utilities |
| TAU | The Alternate Universe (forum) |
| TAU | Time Assignment Unit |
| TAU | Test Access Unit |
| TAU | Telematic Access Unit |
| TAU | Temporal Access for Users |
| TAU | Timing Issues in the Specification and Synthesis of Digital Systems (IEEE International Workshop) |
| TAU | The American University |
| TAU | Threat Assessment Unit (police department) |
| TAU | Tautog (FAO species name code) |
| TAU | Texas Area Untouchables (Counter-Strike team) |
| TAU | Travel Agent University (Questex Travel Group; New York, NY) |
| TAU | TransAlta Utilities |
| TAU | Target Acquisition and Tracking Unit (cellular communications) |
| TAU | Twin Agent Unit |
| TAU | The Accelerated University |
| TAU | Taiwanese American Union |
| TAU | Tactical Assault Unit (gaming) |
| TAU | Transport and Up |
| TAU | Teller Assist Unit (banking) |
| TAU | Tracking Area Update |
| TAU | Total Annihilation Universe (gaming site) |