Radio Magnetic Indicator used for navigation in aircraft.

Ramapo Mountain Indians, a Native American group

The Rocky Mountain Institute, a non-profit energy-conservation organization.

RMI is a three letter acronym that can refer to:

Raza Microelectronics Inc, a CPU manufacturer.

Federico Fellini International Airport, IATA airport code

The Remote Method Invocation in the Java programming language.

The Republic of the Marshall Islands, a chain of islands in Oceania.

The revenu minimum d'insertion, a form of welfare introduced in France in 1988.

Rocky Mount Instruments that produced the RMI 368 Electra-Piano and Harpsichord.

Repetitive motion injury, usually RSI

Radio Massacre International, a British Electronic Music group.