SGB may refer to:

Organisations Schweizerischer Gewerkschaftsbund, the Swiss Trade Union Federation Scholengemeenschap Bonaire, the secondary school on the island of Bonaire SGB-SMIT Group, a transformer manufacturer St.George Bank (ASX code), an Australian bank Société Générale de Belgique, a Belgian bank State Security Service of Abkhazia, Abkhazia's intelligence agency

Entertainment and media Super Game Boy, a Super Nintendo Entertainment System accessory Russian Spetsnaz Guards Brigade, a faction in the Tom Clancy's EndWar video game and novelization

Transport Smethwick Galton Bridge railway station, West Midlands, England (station code: SGB) Surabaya Gubeng railway station, Surabaya, East Java, Indonesia (station code: SGB)

Other uses

Sozialgesetzbuch, the German Code of social law Speedway Great Britain Premiership, the top division Speedway Great Britain Championship, the second division Supergalactic latitude (SGB), a measure of latitude in the astronomical supergalactic coordinate system Steam gun boat, World War II Royal Navy vessels