SG
- sg — (s) Sango language (ISO 639-1 code)
- Sg — (s) Seaborgium
- SG
- (s) Senegal (FIPS 10-4 country code)
- Singapore (ISO 3166 digram)
- Snow Grains (METAR Code)
- (i) Study Group
- SGC
- (i) Server Gated Cryptography
- (p) Stargate Command
- SGD — (s) Singapore dollar (ISO 4217 currency code)
- SGML — (i) Standard Generalized Markup Language
- SGP — (s) Singapore (ISO 3166 trigram)
- SGS
- (s) South Georgia and the South Sandwich Islands (ISO 3166 trigram)
- (i) Svalbard Ground Station (Landsat)
- Société Générale de Surveillance
Read more about this topic: List Of Acronyms And Initialisms: S