| Airline Name | Image | Swaps |
| Olympic Airways-Greece: Design-13 |
| yes |
| Olympic Airways-Greece: Design-14 |
| 0 |
| Oman a |
| 0 |
| Oman Air-Oman: Design 1 |
| 0 |
| Oman Air-Oman: Design 2 |
| yes |
| Oman Air-Oman: Design 3 |
| 0 |
| Oman Air-Oman: Design 4 |
| 0 |
| Oman Air-Oman: Design 5 |
| yes |
| Oman Air-Oman: Design 6 |
| yes |
| Oman Air-Oman: Design 7 |
| yes |
| Oman Air-Oman: Design 8 |
| yes |
| Oman Air-Oman: Design 9 |
| yes |
| Oman Air-Oman: Design-10 |
| 0 |
| Oman Air-Oman: Design-12 |
| 0 |
| Oman Aviation Services-Oman |
| 0 |
| Omni Air International-USA: Design 1 |
| 0 |
| Omni Air International-USA: Design 2 |
| 0 |
| Omni Aviacao e Technologia-Portugal |
| 0 |
| Onur Air-Turkey: Design 1 |
| 0 |
| Onur Air-Turkey: Design 2 |
| 0 |
Page: 