SGL
SGL stands for:
- Head of department , head of an official department
- Sanglechi-Ishkashimi (English), language code according to ISO 639-3
- Swiss Society for Teacher Education
- Swiss society for local railways
- Swiss Society for Logistics
- Self-directed learning
- SGL Carbon , company, manufacturer of carbon products
- SG Leutershausen , German handball club
- Longitude in the supergalactic coordinate system
- Syndicat général des lycéens , French student union
- License plate of the Powiat Gliwicki in Poland
