DSG
- Caldera Digital Research Systems Group
- DOCSIS Set-top Gateway
- DSG International (retailer)
- DSG International Ltd.
- Dacryoscintigraphy
- David Shankle Group
- Defence Support Group
- Delaware State Guard
- Democratic Study Group
- Desogestrel
- Deutsche Schlafwagen- und Speisewagengesellschaft
- Deutsche Schule Genf
- Dick's Sporting Goods
- Dick's Sporting Goods Park
- Diocesan School for Girls (disambiguation)
- Direct-Shift Gearbox
- Direct-shift gearbox
- Disodium glutamate
- Lunar Gateway
- Novell Desktop Systems Group
- Order of Saint Gregory the Great