| Abbreviation | Definition |
|---|---|
| UDLP | University Development Linkages Projects |
| UDLS | Un-Distinguished Lecture Series (UBC) |
| UDM | University of Detroit Mercy |
| UDM | University of Detroit, Mercy |
| UDN | Universo Dei Nabbi |
| UDO | University Development Office |
| UDO | University of Derby Online |
| UDOP | University Diabetes Outreach Project |
| UDP | Undergraduate Degree Program |
| UDPD | University of Dallas Police Department |
| UDQ | University of Dayton Quarterly |
| UDR | Undergraduate Departmental Representative |
| UDS | University Dining Services |
| UDSL | University of Dayton School of Law |
| UDSM | University of Daar es Salaam |
| UDSS | University Disability Support Services |
| UDSS | University of Dayton Speaker Series |
| UDT | University Dance Theatre |
| UDU | Unione Degli Universitari |
| UDU | Urban Dictionary University |