RNP may refer to: Medicine Ribonucleoprotein, a compound of ribonucleic acid and protein Ribonucleoprotein particle, intracellular compartments involved in post-transcriptional fate Registered nurse practitioner Military Royal Navy Police, in the United Kingdom Other Rede Nacional de Ensino e Pesquisa, the academic Internet system of Brazil Required navigation performance for a specific procedure or block of airspace Rosa nel Pugno (RnP), or Rose in the Fist, a former Italian political federation around 2006 Radio Northwick Park, a London hospital radio station Owosso Community Airport, Michigan, US, IATA code Radon–Nikodym property, in mathematics, a property of some Banach spaces, related to integration and differentiability Rassemblement National Populaire, a French fascist party active during World War Two