| Acronym | Definition |
|---|
| UCO | University of Central Oklahoma |
| UCO | Universidad de Córdoba (University of Cordoba, Spain) |
| UCO | Used Cooking Oil |
| UCO | Université Catholique de l'Ouest |
| UCO | Use Case Object |
| UCO | Uccf Overflow |
| UCO | Usb Conversion Option |
| UCO | Use Counter |
| UCO | Under Cover Operation |
| UCO | Unconverted Oil |
| UCO | Use Classes Order |
| UCO | University Chamber Orchestra (various locations) |
| UCO | University Centre Oldham (University of Huddersfield; UK) |
| UCO | Under Cover Officer (various locations) |
| UCO | Under Cover Of |
| UCO | United Cooperatives of Ontario |
| UCO | USB (Universal Serial Bus) Conversion Option (cable; various companies) |
| UCO | UNAIDS Country Office (UN) |
| UCO | Uncommitted Obligation |
| UCO | Universal Weather Landing Code |
| UCO | Utility Compiler |
