| Acronym | Definition |
|---|
| TUC | Trades Union Congress |
| TUC | Technical University of Crete |
| TUC | Temps Universel Coordonné (French: Coordinated Universal Time) |
| TUC | Trinity United Church (New Jersey) |
| TUC | Troubleshooting Cisco Unified Communications |
| TUC | Total User Cell |
| TUC | Troubleshooting Cisco Unified Communications Systems |
| TUC | Troubleshooting Unified Communications (computing) |
| TUC | Telemark University College (Norway) |
| TUC | Trade Union Council |
| TUC | The Undiscovered Country (Star Trek movie) |
| TUC | Time of Useful Consciousness |
| TUC | Third Unitarian Church (Chicago, IL) |
| TUC | Trout Unlimited Canada (Calgary, AB, Canada) |
| TUC | TransUnion Canada (credit information) |
| TUC | Times Union Center |
| TUC | Tokyo Union Church (Tokyo, Japan) |
| TUC | Toronto Ultimate Club |
| TUC | The University Center (Conroe, TX) |
| TUC | Transmission Usage Charge |
| TUC | The Underground Community (gaming) |
| TUC | The United Cities (based monetary barter and digital system) |
| TUC | Toulousé Universite Club |
| TUC | Tucuman, Tucuman, Argentina - Benjamin Matienzo (Airport Code) |
| TUC | The Ultimate Control (manufacturing company; Holland, MI) |
| TUC | Transportation/Utility Corridors (Alberta, Canada) |
| TUC | Chronic Toxic Unit |
| TUC | Teatro de la Universidad Católica del Perú |
| TUC | Total Unit Cost |
| TUC | Trait d'Union Commercial (French real estate agency) |
| TUC | TBMCS Utility for Configuration |
| TUC | Transport Urbain de Clichy (French: Urban Transportation of Clichy; Clichy, France) |
| TUC | Target Under Cursor (games) |
| TUC | Traction Utilitaire de Type C (French: Traction Utility Type C; vehicle) |
| TUC | Test d'Usure de Compassion (French: Test of Compassion Fatigue; questionnaire) |
| TUC | Temperature Uniformity Control |
| TUC | TBMCS (Theater Battle Management Core System) User Course (USN) |