Other
- PMR Ltd, consulting, market research, publications
- Palmerston North International Airport
- Partidul Muncitoresc Român (Romanian Workers' Party), the ruling party in communist Romania from 1948 to 1965
- Penilaian Menengah Rendah, a public school examination in Malaysia
- perpendicular magnetic recording, a technology for data recording on hard disk
- PMR446, a license-free public walkie-talkie protocol in the European Union
- Port Militarization Resistance, an anti-war organization in the United States
- Pridnestrovian Moldavian Republic
- Problem management record, another term for "problem record" in problem management
- Professional mobile radio or "private mobile radio", VHF & UHF radio networks used by operators such as taxis, utilities and emergency services in the United Kingdom
- Proto Matrix Rail, a paintball marker
- Proton magnetic resonance, alternate name for Proton (Hydrogen-1|1H) nuclear magnetic resonance
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