IMR

IMR may refer to:

• Imperial Military Railways, of British forces in South Africa 1898-1901
• Isle of Man Railway
• Industrija Motora Rakovica
• International Mineral Resources
• Institute for Materials Research, or Kinken in Japan
• Institute of Marine Research, in Norway
• International Marketing Review

• Infant mortality rate
• Interrupt mask register, in computing is used to disable interrupts
• Interlocking machine room of the London Underground signalling system
• Inverse Mills ratio, in statistics and graphs
• Improved military rifle powder, a type of gunpowder
• IMR vessel (Inspection, Maintenance and Repair)

• Ideomotor response, in hypnosis and psychological research
• Individual ministerial responsibility, a political convention in Parliamentary systems of Government
• Institutional mode of representation, in film theory
• In Medias Res (band), Vancouver, Canada
• International Migration Review, quarterly peer-reviewed academic journal published by Wiley-Blackwell

• IMR-1, 2, and 3, armored engineering vehicles (Inzhenernaya mashina razgrazhdeniya), based on the Russian T-55, T-72, and T-90 tanks, respectively