What does UPR stand for?

Ultraportable RADAR (MCD)

Ultrasonic Paramagnetic Resonance (SAUS)

Ultrasonic Parametric Resonance (IEEE)

Ultraviolet Proton Radiation

Underlying Phonological Representations (SAUS)

Unearned Premiums Reserve - Finance

Uniform Parole Reports - Law Enforcement Assistance Administration

Union des Populations Rurales - Union of Rural People - Lomela-Kasai

Union Pacific Resources Group - NYSE symbol

Union Pacific Resources Group, Inc. - NYSE symbol (SAG)

University of Puerto Rico - Mayaguez, PR

Unsaturated Polyester Resin - Organic chemistry

Upper (AAG)

Uranium Production Reactor - Nuclear energy

Urethral Profile at Rest - Medicine

User Performance Requirements (CGWS)

User Preferred Routing (CTAS)

Utility, Plant, and Reissue - Patent applications