| Acronym | Definition |
|---|
| O&R➣Orange and Rockland Utilities, Inc. |
| O&R➣Opportunities and Risks |
| O&R➣Objectives and Requirements |
| O&R➣Operations and Research |
| O&R➣Operations and Regulatory (USACE) |
| O&R➣Overhaul & Repair |
| O&R➣Operations and Robotics |
| O&R➣Ohlson & Rice (model airplane maker) |
| O&R➣Old N Rubbish (gaming group) |