Other
- Albert Whitted Airport (IATA: SPG), in St. Petersburg, Florida
- Self-propelled gun
- SexPowerGod, the annual fall dance sponsored by the Brown University Queer Alliance
- Slumber Party Girls, an American girl group
- Smithfield Premium Genetics Group, Smithfield Foods, Inc.'s swine genetics company
- Special Performance Group, see Saab 900
- Special Planning Guidance document (UK)
- Spheno Palatine Gangleoneuralgia or Brain freeze, a harmless condition brought about by eating or drinking a cold substance too rapidly
- Springfield, Massachusetts (Amtrak station)
- Special Patrol Group, Vyvyan's hamster in the British TV comedy series, The Young Ones
- Starwood Preferred Guest, the rewards program for people who stay at Starwood Hotels & Resorts Worldwide
- Strong Parental Guidance, one of the television classification ratings in the Philippines, executed by the Movie and Television Review and Classification Board.
- Steam Powered Giraffe, a steampunk musical project
Read more about this topic: SPG