IAP
IAP is an initialism or acronym which can mean:
- Identical ancestors point, a point in time in the past where every living member of a species at that time is either an ancestor to all living of that species or none living.
- The InterAcademy Panel on International Issues, a world wide cooperation of over 90 science academies.
- IPTV Application Platform, an IPTV application platform from Ericsson.
- Adventist Church of Promise (Portuguese Igreja Adventista da Promessa)
- In-Application Programming, a way to program computer logic devices such as flash ROMs while they are installed in a larger system and being operated by the system's microcontroller using its normal applications program.
- Indanylaminopropane, an uncommon psychoactive chemical sometimes compared to MDMA
- Independent Activities Period held at MIT every year immediately after winter vacation
- Independent American Party of Nevada, the Nevada Constitution Party affiliate.
- Indian Association of Physiotherapists, an association of registered doctors/practitioners of physical therapy in India.
- Individual Account Plan is the lump sum of money received on retirement by participants in the Motion Picture Industry Pension and Health Plans.
- Incident Action Plan: NIMS, ICS, A structured plan of action in response to an emergency incident.
- Information Age Publishing
- Inhibitor of apoptosis, a protein family involved in the suppression of programmed cell death (apoptosis)
- Initial Approach Fix, part of an Instrument approach procedure.
- Institut d'astrophysique de Paris.
- Institution of Analysts and Programmers, an international institution for professions involved in the analysis, development and testing of software.
- Instrument approach procedure, a published procedure for the final approach for landing at an airport under instrument flight rules
- Integrated Applications Promotion (IAP) Programme,a new ESA (European Space Agency) programme that aims to develop pre-operational services for a wide range of users by using and integrating different available space technologies
- International Airport, for example, Doha IAP
- International Association of Prosecutors, a non-governmental organisation established by the United Nations in 1995.
- Internet service provider, also known as "Internet Access Provider" or "IAP", a business or organization that offers users access to the Internet and related services.
- Intracisternal A-particle, endogenous retrovirus-like elements
- Ion Activity Product, a term used in Chemistry
- Islamic Association of Palestine, a U.S.-based Islamic organization which was shut down by the U.S. government for raising money for Hamas
- Islet-activating protein
- Fraunhofer Institute for Applied Polymer Research, a German institute operated by the Fraunhofer Society
- Imaging atom probe
- I.A.P., a record label
- IAP, indoor air pollution in developing nations
- Information Age Publishing of Charlotte, North Carolina
- I'm Alan Partridge, a British sitcom
- Integrin Associated Protein or CD47 protein
- Italian Africa Police
- Index of Air Purity