RMI

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

Remote Method Invocation, an application-programming interface used in Java environments
.rmi, a file extension for a RIFF MIDI file

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