Unified Approval Procedure 
Universal Availability of Publications 
University Affiliated Program 
University Affiliated Programs 
Ununited anconeal process 
Uranyl ammonium phosphate 
User Account Protection 
utilization associated products 
Undergraduate Association President 
Unidentified Atmospheric Phenomena 
Unified Accelerated Procedure 
Unique Acceptance Procedure 
Universal Availability of Publication 
Universidad Autónoma de Puebla 
University Academic Plan 
University Authorities Panel 
University of Alberta Press 
unlicensed assistive personnel 
Unmanned Aerial Platform 
unmyelinated axon profiles 
Unprocessed Agricultural Products 
Unserviceable Asset Price 
unstable angina pectoris 
Upgrade Advantage Program 
Upper Air Project 
Upper-Atmosphere Phenomena 
Urban Affairs and Planning 
urban air particles 
urinary acid phosphatase 
urinary alkaline phosphatase