O&O
| Acronym | Definition |
|---|---|
| O&O | One and Only (various companies) |
| O&O | Owned and Operated |
| O&O | Over & Out |
| O&O | Outsourcing & Offshoring |
| O&O | Organization and Operation |
| O&O | Overload & Overheat |
| O&O | Operational & Organizational |
| O&O | Oversized and Outsized (aircrafts) |