| Acronym | Definition |
|---|
| OCSG➣Oracle Communications Services Gatekeeper (software) |
| OCSG➣Outer Continental Shelf-Gulf (Mexico) |
| OCSG➣Open Canoe Sailing Group (UK) |
| OCSG➣Oregon Cutting Systems Group (Blount, International, Inc.; Portland, Oregon) |
| OCSG➣Ordine Costantiniano di San Giorgio (Italian: Constantinian Order of St. George) |
| OCSG➣Open Computing Security Group |
| OCSG➣Ohio Cost Savings Group |