PRN

PRN may refer to:

Computing

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

Medicine

 * 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

Politics

 * National Reconstruction Party, Brazil
 * Nicaraguan Resistance Party, Nicaragua
 * Partido Nacional Revolucionario, Mexico, an Institutional Revolutionary Party precursor
 * National People's Party (Indonesia) (Partai Rakyat Nasional), Indonesia

Radio

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

Transport

 * 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: )
 * Mac Crenshaw Memorial Airport, Greenville, Alabama, US (FAA LID: )

Other uses

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