SNL may stand for:

• Saturday Night Live, a live weekly late night 90-minute American comedy-variety show based in New York City which has been broadcast since 1975
• Saturday Night Live (UK), a British programme relating to Big Brother
• Sandia National Laboratories, a major United States Department of Energy research and development national laboratory
• Scottish National League, the ice hockey league in Scotland
• Scots National League, a body seeking Scottish independence in the early 1920s
• Shawnee, Oklahoma municipal airport (IATA location identifier)

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