| UTAC | Union Technique de l'Automobile du Motocycle et du Cycle 
| Others |
| UTAC | United Test and Assembly Center
| Others |
| UTAC | University of Toronto Art Centre
| Others |
| UTAC | University Technical Assistance Center
| Others |
| UTAC | University Technology Advisory Committee
| Others |
| UTAC | University Town of Amherst Collaborative
| Others |
| UTAC | University Transfer Advising Center
| Others |
| UTAC | Unrelated Transplant Approval Committee
| Others |
| UTAC | Utility Truck Of America Corporation
| Others |