| Acronym | Definition |
|---|
| UAP | United Agri Products |
| UAP | University Affiliated Program |
| UAP | Unidentified Aerial Phenomenon (early USAF term for UFO) |
| UAP | Unlicensed Assistive Personnel |
| UAP | Universidad Adventista Del Plata (Spanish: River Plate Adventist University; Libertador San Martín, Argentina) |
| UAP | User Account Protection (Microsoft Vista) |
| UAP | United Australia Party (political party) |
| UAP | University of Alberta Press (Canada) |
| UAP | United Architects of the Philippines |
| UAP | Unstable Angina Pectoris |
| UAP | Universal Ad Package (Interactive Advertising Bureau) |
| UAP | University of Asia and the Pacific (Pasig City, Philippines) |
| UAP | Urban Art Projects |
| UAP | University of Asia Pacific (Dhaka, Bangladesh) |
| UAP | Ununited Anconeal Process |
| UAP | Underserviced Area Program (Ontario Ministry of Health, Canada) |
| UAP | Ukrainian Auxiliary Police (Nazi-controlled group; World War II) |
| UAP | Uranyl Ammonium Phosphate |
| UAP | User Agent Protocol |
| UAP | Universal Adaptive Processor |
| UAP | Unabhängige Arbeiterpartei (Independent Workers Party) |
| UAP | Unallocated Provision |
| UAP | Unified Astronomical Package |
| UAP | Universal Availibility of Publications (Library) |
| UAP | User Agent Profiles |
| UAP | Unified Accelerated Procedure |
| UAP | United Association of Plumbers |
| UAP | Unknown At Present |
| UAP | User Access Privileges (Nortel) |
| UAP | Unmanned Aerial Platform |
| UAP | Utility Allowance Payment |
| UAP | Universal Academy Press (Japan) |
| UAP | University Assistance Program (various universities) |
| UAP | University Academic Program (Canada) |