| IMSO | Information Management Support Office | 信息管理支持办公室 |
| IMSO | International Mathematics and Science Olympiad | 国际数学与科学奥林匹克 |
| IMSO | Intensive Management Staff Officer | 强化管理参谋 |
| IMSO | International Military Student Organization | 国际军校学生组织 |
| IMSO | Initial Materiel Support Office | 初始物资保障办公室 |
| IMSO | International Mobile Satellite Organization | 国际移动卫星组织 |
| IMSO | Integrated Micro Systems Operation | 集成微系统操作 |
| IMSO | International Military Student Officer | 国际军事学生官 |
| IMSO | In My Stupid Opinion | 在我愚蠢的观点中 |
| IMSO | International Military Student Office | 国际军校学生处 |
| IMSO | Imsco Technologies, Inc. | Imsco Technologies公司。 |