| IACE | Illinois Association of County Engineers | 伊利诺伊州县工程师协会 |
| IACE | Illinois Association of Code Enforcement | 伊利诺伊州法规执行协会 |
| IACE | Immunoaffinity Capillary Electrophoresis | 免疫亲和毛细管电泳 |
| IACE | International Advanced Cadet Exam | 国际高级学员考试 |
| IACE | International Air Cadet Exchange | 国际空军学员交换 |