| COIL | Chemical Oxygen Iodine Laser | 化学氧碘激光 |
| COIL | Columbia Object Image Library | Columbia对象图像库 |
| COIL | Coalition Of Independent Labels | 独立标签联盟 |
| COIL | Chemical Oxygen-Iodine Laser | 化学氧碘激光器 |
| COIL | Community Intelligence Labs | 社区智能实验室 |
| COIL | Context and Objects Interface Language | 上下文和对象界面语言 |
| COIL | Congress On Ionic Liquids | 离子液体大会 |
| COIL | CHS Online Information Library | CHS在线信息库 |