GSL may refer to:
Companies and organizations Geological Society of London, a learned society in the United Kingdom Ghana School of Law, an educational institution for training lawyers in Ghana Goa Shipyard Limited, an Indian shipyard Govan Shipbuilders Limited, a British shipbuilding company Group Scout Leader, adult leader of a Scout group in the United Kingdom
Entertainment Game System License, a trademark license for Dungeons & Dragons Global StarCraft II League, an e-Sport tournament Gold Standard Laboratories, a record label Kamen Rider Kabuto: God Speed Love, 2006 movie based on the Kamen Rider Kabuto series
Sport Georgia State League, former American Class D professional baseball league Global Super League, cricket tournament Guam Soccer League, top division association football league in Guam
Language Gambian Sign Language, a national sign language used by the deaf community of Gambia Georgian Sign Language, the national sign language of the deaf in the country of Georgia German Sign Language, the sign language of the deaf community in Germany Ghandruk Sign Language, a village sign language of the village of Ghandruk in central Nepal Greek Sign Language, the sign language of the Greek deaf community General Service List, a list of basic English words for language learners
Transport Taltheilei Narrows Airport (IATA code: GSL), an airport in Northwest Territories, Canada Gunnislake railway station (National Rail code: GSL), a station in Cornwall, UK
Other uses General sales list, a legal category of drugs in the UK (over-the-counter) Glycosphingolipids, a subtype of glycolipids containing the amino alcohol sphingosine GNU Scientific Library, a software library for applied mathematics and science Great Salt Lake, a salt water lake in Utah
See also Gaius Salvius Liberalis