GLI may refer to:
Gaming Laboratories International Getty Leadership Institute at Claremont Graduate University Glen Innes Airport, in New South Wales, Australia Global Labour Institute, a British workers rights organization Great Lakes Initiative, a fictional superhero team Great Lakes Invitational, a college ice hockey tournament Greater Louisville Inc., an American business development organization Greyhound Lines, a North-American bus carrier Volkswagen GLI, an automobile GLI1, GLI2, GLI3, glioma-associated family of transcription factors