| Acronym | Definition |
|---|
| OGR➣Office of Grants and Research (various organizations) |
| OGR➣O Gauge Railroading (Magazine, model railroading) |
| OGR➣Office of Government Relations |
| OGR➣Off-Gas Recovery |
| OGR➣Order of the Golden Rule |
| OGR➣Old Growth Reserve (forestry) |
| OGR➣Old Garden Rose |
| OGR➣Optimal Golomb Ruler |
| OGR➣Old Guys Rule |
| OGR➣Open Grave Records (record label) |
| OGR➣Office of Government Reports (US government) |
| OGR➣OpenGIS Simple Features Reference Implementation |
| OGR➣Ordnance, Gunnery and Readiness Division (US Navy) |
| OGR➣Office of Geologic Repositories |
| OGR➣Outgoing Repeater |
| OGR➣Officer Grade Requirement(s) |
| OGR➣Ordnance Gunnery and Readiness |
| OGR➣Ogden Regional Medical Center (Ogden, UT) |
| OGR➣Old Growth Riverwood (wood products; Wilmington, NC) |
| OGR➣Old Glory Records |