DNP

DNP is a three-letter abbreviation which can stand for:

• 2,4-Dinitrophenol, a small organic molecule formerly marketed as a pharmaceutical "diet aid"
• 2,4-Dinitrophenylhydrazine, Brady's reagent, used in organic chemical analysis
• Dai Nippon Printing, the world's largest printing company, based in Japan
• Deutsche Nationalpartei, a former German political party in Czechoslovakia
• Denali National Park, in interior Alaska
• "Did Not Play" a notation used in sports in a box score or a roster listing
• Distance to neutral point, a quantity which is important when considering thermal expansion mismatch
• Distributed Network Protocol (DNP3), a protocol used in SCADA systems between communicating RTU's and IED's
• "Do Not Place", a term used in Printed circuit board design to denote the omitting of a component
• Doctor of Nursing Practice, a practice doctorate in nursing, commonly replacing the dated ND (Nursing Doctorate)
• "Duty Not Paid", in the context of cigarette smuggling
• Dynamic Nuclear Polarisation, a technique used in NMR spectroscopy
• Do Not Post, an artist list on imageboards to prevent copyright infringement

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