UCAC
| Acronym | Definition |
|---|---|
| UCAC | Undeb Cenedlaethol Athrawon Cymru (National Union of Teachers of Wales) |
| UCAC | USNO CCD Astrograph Catalog |
| UCAC | University of California Archivists Council |
| UCAC | University of Calgary Athletics Club (Calgary, Alberta, Canada) |
| UCAC | University of Calgary Airsoft Club (gun club; Canada) |
| UCAC | University Construction Advisory Committee (California State University, Chico) |