ADP or Adp may refer to:
Businesses and organizations Businesses ADP (company), an American provider of human resources management software and services AD Plastik (ADP), Croatian manufacturer
Political organizations United States Alabama Democratic Party Alaska Democratic Party American Democracy Project (AASCU initiative) American Democracy Project (Florida group) Arizona Democratic Party Arkansas Democratic Party
Elsewhere Action Democratic Party (Nigeria) Amhara Democratic Party, Ethiopia Arab Democratic Party (Israel) Arab Democratic Party (Lebanon) Assyrian Democratic Party, Syria Azerbaijan Democrat Party Azerbaijani Democratic Party
Other organizations (AdP), a Guatemalan development organization Alpha Delta Phi (ΑΔΦ), a social college fraternal organization Alpha Delta Pi (ΑΔΠ), a college sorority organization (AdP), a German patient organisation for pancreatectomy Association for the Development of Pakistan, an American non-profit organization Association of Directory Publishers, an international trade organization California Department of Alcohol and Drug Programs
Science and technology Computing Acyclic dependencies principle, a software design principle Advanced Data Protection, Apple's end-to-end encryption option for iCloud Android Dev Phone, a device for Android developers Attach Detection Protocol, in the USB On-The-Go standard
Other uses in science and technology Adenosine diphosphate, an organic compound in metabolism Air displacement plethysmography, to measure human body composition Ammonium dihydrogen phosphate, a chemical compound
Transportation Paris Aéroport, formerly Aéroports de Paris (ADP), operator of Paris airports , airport operator in Peru Ampara Airport in Eastern Province, Sri Lanka, IATA airport code ADP
Other uses Actual deferral percentage, a 401(k) test for highly compensated employees AllDay Project, a South Korean music group Andorran peseta, a former currency of Andorra Angine de Poitrine, a rock duo from Quebec
See also Adposition, a class of words used to express spatial or temporal relations Adap, a dialect of Dzongkha