| Acronym | Definition |
|---|
| USPA➣United States Parachute Association |
| USPA➣Undifferentiated Spondyloarthropathy (rheumatic disease) |
| USPA➣United States Polo Association |
| USPA➣United States Psychotronics Association |
| USPA➣United States Polka Association |
| USPA➣United States Pilots Association |
| USPA➣United States Permafrost Association |
| USPA➣United Steelworkers Press Association |
| USPA➣United States Patriot Act |
| USPA➣Ursuline School for the Performing Arts (Louisville, Kentucky) |
| USPA➣United States Public Adjusters |
| USPA➣University Surplus Property Association |
| USPA➣United States Poolplayers Association |
| USPA➣United States Poker Association |
| USPA➣Universal Studios Port Aventura (Theme Park Salou, Spain) |
| USPA➣Urban Studies and Public Administration (degree program) |
| USPA➣União Sindical Pan-Africana |
| USPA➣University School Parents' Association |
| USPA➣U-Slot Patch Antenna |
| USPA➣Uniformed Services Pay Act of 1981 |
| USPA➣Unidad Sectorial de Planificación Agríco |
| USPA➣United Somali Peace Alliance |
| USPA➣United States Patent Act |
| USPA➣United Security Professionals Association, Inc. (Concrete, WA) |
| USPA➣United States Pickleball Association |