| IAPS | International Association for People-Environment Studies | 国际人类环境研究协会 |
| IAPS | Indian Association of Pediatric Surgeons | 印度儿科外科医生协会 |
| IAPS | International Association of Physics Students | 国际物理学生协会 |
| IAPS | Incorporated Association of Preparatory Schools (UK) | 英国预科学校协会 |
| IAPS | Incorporated Association Of Preparatory Schools | 预科学校法团协会 |
| IAPS | International Association Of Pastel Societies | 国际粉彩协会 |
| IAPS | International Association of Patristics Studies | 国际爱国主义研究协会 |
| IAPS | Improved Awards Processing System (USMC) | 改进的奖励处理系统（USMC） |
| IAPS | ITCT 2k2 Automatic Processing System | ITCT 2k2自动处理系统 |
| IAPS | Ion Auxiliary Propulsion System | 离子辅助推进系统 |
| IAPS | International Auditing Practice Statement | 国际审计实务声明 |
| IAPS | Integrated Accounts Payable System | 综合应付账款系统 |
| IAPS | Institute for Advanced Professional Studies (Boston, MA) | 高级专业研究所（马萨诸塞州波士顿） |
| IAPS | International Asperger Parent Support (Singapore) | 国际阿斯伯格家长支持（新加坡） |
| IAPS | International Airsoft Practical Shooting | 国际Airsoft实战射击 |
| IAPS | Integrated Avionics Processor System | 综合航空电子处理器系统 |
| IAPS | International Affective Picture System | 国际情感图片系统 |