IAP

IAP is an initialism that can mean:

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.
Independent Activities Period held at MIT every year immediately after winter vacation
Inhibitor of apoptosis, a protein family involved in the suppression of programmed cell death (apoptosis)
Institut d'astrophysique de Paris
Institution of Analysts and Programmers, an international institution for professions involved in the analysis, development and testing of software (external link)
International Airport, for example, Doha IAP
International Association of Prosecutors, a non-governmental organisation established by the United Nations in 1995 (external link)
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.
Ion Activity Product, a term used in Chemistry
Islamic Association of Palestine, a religious-based organization that purports to write articles of a factual nature on issues that "Zionist controlled" westernized media fails to report