GMR

GMR may refer to:

• Galapagos Marine Reserve
• General Motors Research Laboratories
• GEO-Mobile Radio Interface, an ETSI standard for satellite phones used by ACeS, ICO, Thuraya
• Giant magnetoresistance (physics)
• Giant Monopole Resonance, a high-frequency collective excitation of atomic nuclei
• Glenreagh Mountain Railway, a heritage railway in NSW, Australia
• GMR (cryptography), a digital signature algorithm
• GMR (magazine), a video game magazine
• GMR Group, an Indian infrastructure developer based in Bangalore, India
• Golden-mantled Rosella, a common name for Platycercus eximius elecica, a sub-species of the Eastern Rosella
• Good Morning Revival, fourth album by Good Charlotte
• Great Manmade River, Libya
• Great Midwest Relay, race
• Greater Manchester Radio, the former name of BBC Radio Manchester
• Groupe mobile de réserve, ancestor of the CRS riot police created under Vichy France