GSM (disambiguation)
- Australian wine
- Church of St Mary the Great, Cambridge
- Flyglobespan
- GSM
- GSM (wine)
- GSM London
- Garrison sergeant major
- Gas turbine system technician
- Gender and Sexual Minorities
- General Service Medal (disambiguation)
- Genitourinary syndrome of menopause
- Ginebra San Miguel
- Glass Sport Motors
- Graduate Studies in Mathematics
- Grams per square metre
- Great Smoky Mountains
- Grenache
- Guatemalan Sign Language
- Guildhall School of Music and Drama
- Għajnsielem
- Mourvèdre
- Qeshm International Airport
- Rhône wine
- Syrah
- Tog (unit)
- Xanh SM