IM or Im may refer to:
Arts and entertainment
Characters
- Iron Man, a comic book superhero
Music
- I.M (rapper), stage name of Im Chang-kyun of South Korean boy band Monsta X
- Iron Maiden, a British heavy metal band
Businesses
- IM Global, an American film and TV company
- Immediate Music, a music composition company
- Menajet (IATA airline designator)
Military and government
- Indian Mujahideen, an India-based militant Islamist group
- Inoffizieller Mitarbeiter, an informant for the Stasi of East Germany
Mythology
- Im (jötunn), a giant in Norse mythology
- Teshub (cuneiform: IM), the Hurrian god of sky and storm
Names
- Im (Korean surname)
- Yan (surname) (Cantonese romanization: Im), a surname
Places
- Isle of Man (FIPS country code)
- IM postcode area, for the Isle of Man
Science and technology
Biology and medicine
- Infectious mononucleosis, a disease
- Internal medicine, a medical speciality
- IM injection, or intramuscular injection
- Imipramine, by the trade name IM
- Intermediate metabolizer, an individual with reduced metabolic activity
Computing
- .im, an Internet country code for the Isle of Man
- Information management
- Input method, a component that allows users to enter an expanded set of characters and symbols
- Instant messaging, a form of real-time communication online using typed text
Other uses in science and technology
- Im function in mathematics, where Im(z) denotes the imaginary part of a complex number z
- Intermodulation, the amplitude modulation of signals containing two or more different frequencies
- Induction motor
- Im, a subtype of irregular galaxy
Sports
- Individual medley, a type of swimming race
- International Master, a title in chess
- Intramural sports
Transportation
- Scion iM, a Japanese-American compact car
See also
- I Am (disambiguation) including uses of "I'm"
- LM (disambiguation)
- 1M (disambiguation)