WMR may refer to:
In Rail transport:
- Wellington and Manawatu Railway Company (WMR or W&MR), a private rail transport company in New Zealand that operated from 1881 to 1908
- WMR No. 10, an 1891 2-6-2 tank locomotive that set a new world speed record for the 1,067mm (3'6") narrow gauge railway on 20 July 1892 when it hit 103.6 km/h (64.4mph) across the coastal plains of Horowhenua between Levin and Shannon, New Zealand
- Widney Manor Railway (WMR), a railway stations that is served by the UK National Rail association
WMR may also refer to:
- .22 Winchester Magnum Rimfire, also called .22 WMR, .22 Magnum, or .22 Mag, a rimfire rifle cartridge
- WMR, the International Air Transport Association (IATA) airport code for the airport in Mananara Nord, Toamasina Province, Madagascar
- WMR88, WMR100, WMR200, WMR300 and WMR928NX Personal weather stations produced by Oregon Scientific
- Parece Vela-Shikoku West Marian Ridge (WMR), the easternmost North-South ridge in the eastern, active half of the tectonic plate beneath the Pacific Ocean to the east of the Philippines
- Ruble-equivalent Webmoney
- Western Mindanao Region (WMR), one of six regions of the Christian And Missionary Alliance Churches of the Philippines (CAMACOP)
- WMR, the sixth track from independent hip-hop label Definitive Jux's Def Jux Presents 3 compilation album, also released as a single by Definitive Jux Records in 2004. The track was produced by the label's founder El-P, and performed by him and rapper-hip hop producer Camu Tao
- WMR Biomedical, one of twelve companies co-founded by George M. Whitesides, an American chemist and professor of chemistry at Harvard University
- WMR e-Pin, LLC, a software development firm from whom DataTreasury acquired four check-imaging technology patents in February, 2006
- Wreckless Media Radio, a comedy online radio podcast featuring the three hosts, Brian Berris, Brian Corpolongo, and Greg Arevigian. The show used to go by the name of Not Another Tech Podcast and has been airing since 2006.
- World Music Radio, an independent radio station which first went on the air in 1967-1973 from the Netherlands. Later through Radio Andorra, Radio Milano International, Radio Dublin a.o. From 1997 the hq was moved to Denmark and WMR went on the air from South Africa. From 2004 to 2005 from Short Wave transmitters in Denmark. Currently off air.
- World Mission Radio (WMR), a paid religious Short Wave (SW) pirate radio, broadcast from the Merchant Vessel (MV) Ross Revenge offshore the UK
- Willard Mitt Romney, the Republican Party nominee for President of the United States in the 2012 election.
- Wayne Madsen Report, a blog authored by Wayne Madsen