English abbreviations from iama to iars
- IAMA (International Association of Missionary Aviation)
- IAMAT (International Association for Medical Assistance to Travellers)
- IAMM (Individual Augmentation Manpower Management)
- IAMMS (Ibn Sina Academy of Medieval Medicine and Sciences)
- IAMS (Integrated Army Mobilization Study)
- IAMSAR (International Aeronautical and Maritime Search and Rescue Manual)
- IAMUS (Installation Automated Manpower Utilization System)
- IAN (Bob Baker Memorial Airport)
- IANA (Internet Assigned Numbers Authority)
- IANAL (I Am Not A Lawyer)
- IANR (Institute of Agriculture and Natural Resources)
- IANS (Indo-Asian News Service)
- IAO (Information Awareness Office)
- IAP (In Assignment Processing)
- IAP2 (International Association for Public Participation)
- IAPAC (International Association of Physicians in AIDS Care)
- IAPMO (International Association of Plumbing and Mechanical Officials)
- IAPPP ((organization) International Amateur/Professional Photoelectric Photometry)
- IAPR (International Air Power Review)
- IAPSRS (International Association of Psychosocial Rehabilitation Services)
- IAPSS (International Association for Political Science Students)
- IAQ (Bahregan Airport)
- IAR (Yaroslavl Airport)
- IARC (International Aerial Robotics Competition)
- IARD (Institute of Agricultural Research for Development)
- IARI (India Association of Rhode Island)
- IARS (International Anesthesia Research Society)