TMR may refer to:
Arts and media Trout Mask Replica, an experimental rock album by Captain Beefheart & His Magic Band The Morning Rush, a morning radio show by Monster RX 93.1, Philippines TMR, catalog numbers of Third Man Records
Organisations Tokio Millennium Re Ltd., is a reinsurance company headquartered in Bermuda Transports de Martigny et Régions, a Swiss railway company Department of Transport and Main Roads, Queensland, Australia
Places Aguenar – Hadj Bey Akhamok Airport (IATA airport identifier), Algeria Town of Mount Royal, Quebec, Canada Transnistrian Moldovan Republic or Transnistria
Science and technology Rolls-Royce Thrust Measuring Rig, an experimental VTOL aircraft Tetramethylrhodamine, a derivative of rhodamine Transmyocardial revascularization, heart disease treatment Triple modular redundancy, a computing voting system Tunnel magnetoresistance, a magnetoresistive effect
People Matthew Berry (born 1969/1970), fantasy football player The Mexican Runner (Piotr Delgado Kusielczuk), speedrunner, video game player TM Revolution (Takanori Nishikawa, born 1970), Japanese musician
Other uses Jewish Babylonian Aramaic (ISO 639-3 language code) Total mixed ration, a method of feeding cattle Times New Roman, a common typeface