PRN

• PRN:, a printer device name in DOS
• Pseudorandom noise, in cryptography

• Pertactin (PRN), a virulent factor of the bacterium Bordetella pertussis
• Pro re nata (P.R.N.), Latin for "in the circumstances", prescription jargon
• PRN Forum, a precursor to the Journal of Pain and Symptom Management

• National Reconstruction Party, Brazil
• Nicaraguan Resistance Party, Nicaragua
• {{lang|es|Partido Nacional Revolucionario}}, Mexico, an Institutional Revolutionary Party precursor
• National People's Party (Indonesia) ({{lang|id|Partai Rakyat Nasional}}), Indonesia

• Performance Racing Network, an American NASCAR radio network
• Premiere Radio Networks, another American network

• Pacific RailNews, a defunct American hobbyist magazine
• Paralympic route network, linking Paralympic games venues
• Parton railway station, Cumbria, England
• Pristina International Airport Adem Jashari, Kosovo (IATA:PRN)
• Mac Crenshaw Memorial Airport, Greenville, Alabama, US (FAA LID:PRN)

• Packaging Recovery Note, per UK Producer Recovery Obligations
• Praseodymium nitride, a chemical (formula: PrN)
• Premier Retail Networks, a provider of in-store ad screens

• PR:NS (disambiguation)
• Pern (disambiguation)
• Porn (disambiguation)

{{Disambiguation}}