LGM may refer to: Lady International Correspondence Chess Grand Master Lao Gan Ma Last Glacial Maximum LGM (film) or Let's Get Married, an Indian Tamil-language romantic drama film Libre Graphics Meeting Little green men, a stereotypical portrayal of extraterrestrials Little Green Men Games Let's Go Mets, a common chant at New York Mets baseball games

See also LGM-1, a pulsar, also referred to as LGM LGM-2, a star with anomalous variations in brightness LGM-25 Titan I ICBM LGM-25C Titan II ICBM LGM-30 Minuteman ICBM LGM-118 Peacekeeper ICBM Little Green Men (disambiguation)