| Acronym | Definition |
|---|
| OSG➣Open Science Grid |
| OSG➣Open Scene Graph |
| OSG➣Overseas Shipholding Group, Inc (New York, NY) |
| OSG➣Office of the Secretary-General (United Nations) |
| OSG➣Official Strategy Guide (gaming) |
| OSG➣Open System Group |
| OSG➣Operational Support Group (US DoD) |
| OSG➣Office of the Surgeon General (HHS - PHS) |
| OSG➣Okasan Securities Group (Japan) |
| OSG➣Open Systems Group |
| OSG➣Opsec Security Group PLC |
| OSG➣Operations Support Group |
| OSG➣Orchid Specialist Group |
| OSG➣Open Service Gateway |
| OSG➣Oromia Support Group (UK) |
| OSG➣On-Screen Graphics |
| OSG➣Office of Student and Graduate Affairs (Singapore) |
| OSG➣Objectivism Study Group |
| OSG➣One Sweet Girl |
| OSG➣Overspeed Governor |
| OSG➣Operational Security Guideline |
| OSG➣On-Screen Guide |
| OSG➣Oberstabsgefreiter (German) |
| OSG➣Oscillator Safeguard (microcontroller) |
| OSG➣On-line Support Group |
| OSG➣Osawa Screw Grinding (Toyokawa City, Japan) |
| OSG➣Operating System Group |
| OSG➣Overlapped Sub-Gridding |
| OSG➣Optical Scene Generator |
| OSG➣Osage Beach, Missouri - Municipal (airport code) |