| Acronym | Definition |
|---|
| USPO➣Us Patent Office |
| USPO➣United States Post Office |
| USPO➣United States Patent Office |
| USPO➣United States Probation Office |
| USPO➣United States Probation Officer |
| USPO➣United States Politics Online |
| USPO➣Unions des Syndicats de Pharmaciens d'Officine (French: Coalition of Pharmacists' Trade Union; France) |
| USPO➣Urban Systems Project Office |