UHP may refer to: UHP (lamp), a mercury-arc lamp used in projectors Universal Hall Pass, a pop rock band or Henri Poincaré University, a French research university Utah Highway Patrol, a police agency in Utah or United Brothers of the Proletariat Republican organisation in the Spanish Civil War Urea hydrogen peroxide, a reagent in organic synthesis, and also a disinfectant and bleaching agent. Ultra high pressure, a mercury lamp invented by Philips for video projectors. Uhp, the symbol for the chemical element Unhexpentium University Hospitals Plymouth NHS Trust, a hospital group in England.