RMI may refer to:
Science and technology Radio magnetic indicator, an instrument used in aircraft navigation Repetitive motion injury, an injury to the musculoskeletal and nervous systems Richtmyer–Meshkov instability, an instability occurring when two fluids with different densities are impulsively accelerated Risk of malignancy index, for ovarian cancer
Computing Remote Method Invocation, an application-programming interface used in Java environments .rmi, a file extension for a RIFF MIDI file
Organizations RMI Corporation, a semiconductor company manufacturing CPUs RMI Titanium Company, U.S. titanium fabricator now called RTI International Metals Railcar Management LLC, a rail information services software company and subsidiary of GE Transportation RMI Expeditions, a mountain guide company based in Ashford, Washington, United States Remote Medical International, provides medical support in remote areas Rocky Mountain Institute, a non-profit energy-conservation organization in the United States of America Rocky Mount Instruments, manufacturer of the RMI 368 Electra-Piano and Harpsichord Royal Manchester Institution (1823–1882), a learned society promoting the arts in Manchester, England Royal Meteorological Institute of Belgium, a federal institute engaged in scientific research in meteorology WRMI (branded Radio Miami International) an American shortwave radio station, often referred to on air as RMI Reaction Motors Inc., an early American maker of liquid-fueled rocket engines
Places Federico Fellini International Airport (IATA code), near Rimini, Italy Republic of the Marshall Islands, a nation-state in Micronesia
Other uses Radio Massacre International, a British electronic-music group Ramapough Mountain Indians, a Native American group Rank mobility index, a measure of change in population-rank Revenu minimum d'insertion, a form of welfare introduced in France in 1988
See also RM1 (disambiguation)