English abbreviations from iap2 to iasil
- 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(Indoor air quality||Infrequently Asked Questions)
- 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)
- IAS(Indicated airspeed)
- IASB(International African Service Bureau)
- IASC(Interagency Standing Committee (UN))
- IASD(Instant Ammunition Selection Device)
- IASE(Iowa Association of Safety Education)
- IASED(Information Assurance and Security Engineering Directorate)
- IASH(International Association for Stability Handling and Use of Liquid Fuels)
- IASI(International Association for Sports Information)
- IASIL(International Association for the Study of Irish Literatures)
