Look up NOP or nop in Wiktionary, the free dictionary.

NOP or N.O.P. may refer to:

Science and technology

• NOP (code), an assembly language instruction etc. that effectively does nothing at all
• 3-Nitrooxypropanol, an enzyme inhibitor
• Nociceptin receptor, a neurotransmitter receptor in the opioid receptor family

Organisations

• Croatian Partisans (Narodnooslobodilački pokret), a former resistance movement in Yugoslavia
• National Opinion Polls, a pollster acquired by GfK
• National Revival of Poland (Narodowe Odrodzenie Polski), a nationalistic Polish political party
• Northern Ontario Party, a political party in Ontario, Canada

Sports

• New Orleans Pelicans, a National Basketball Association team based in New Orleans, Louisiana, US
• Nike Oregon Project, an athletics team

Other uses

• New Orleans Protocol, a 2004 agreement among white supremacist and neo-Nazi groups
• National Organic Program, an American organic food certification program
• Network of practice, in social science
• North Point station (station code NOP), a train station on the Hong Kong MTR Island Line
• Sinop Airport (IATA code NOP), an airport in Sinop, in the Black Sea Region of Turkey