PRN
PRN appears in sports broadcasting (Performance Racing Network), regional place names, corporate titles, and a handful of computing file formats.
Medical
Pro Re Nata (as needed)
polyradiculoneuropathy
Physical Rehabilitation Network
Practicing Registered Nurse
Positive Reinforcement Nursing
Miscellaneous
Packaging Recycling Notes
Pill Right Now
Postal Routed Network
Pro Re Nata
Progressive Radio Network
Professionals Resource Network
Packaging Recovery Note
Community
Governmental
International
Academic & Science
Regional
Computing
Lotus or Symphony Text file
PRiNter output file
Problem Report Number
Problem Record Number
Pseudo-Range Node
Business
Puerto Rican Cement, Inc.
Packaging Recovery Notes
Professional Research Network
Premier Retail Networks
Permanent Registration Number