| Acronym | Definition |
|---|
| UCSD➣University of California, San Diego (La Jolla, California) |
| UCSD➣Urbandale Community School District (Iowa) |
| UCSD➣User Centered System Design |
| UCSD➣Utica City School District (New York) |
| UCSD➣Urbana-Champaign Sanitary District (Illinois) |
| UCSD➣Ultra Cool Sexy Dudes |
| UCSD➣University of California, Sunny Dale (Buffy the Vampire Slayer, fictional) |