RNP

• Ribonucleoprotein, a compound of ribonucleic acid and protein
• Ribonucleoprotein particle, intracellular compartments involved in post-transcriptional fate
• Registered nurse practitioner

• Royal Navy Police, in the United Kingdom

• 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

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