The abbreviation or acronym PNP has several different meanings:

• PNP is one of the two types of bipolar transistors, the other being NPN. See transistor.
• Pen and Paper (role playing games)
• Plug-and-play
• Partido Nuevo Progresista, Puerto Rican political party
• Positive Negative Positive, one of the two fundamental types of bipolar transistor
• People's National Party, the ruling political party in Jamaica
• Philippine National Police
• Purine Nucleoside Phosphorylase
• Pediatric Nurse Practitioner