Arpa or ARPA may refer to:

Given name

  • Arpa Ke'un (died 1336), Ilkhan during the disintegration of the Mongol state in Persia

Surname

  • José Arpa (1858–1952), Spanish artist who worked in Spain, Mexico, and Texas
  • Okay Arpa (born 1977), Turkish karateka
  • Yvan Arpa, Swiss watch designer

Geographical names

  • Areni, formerly Arpa, a village in Armenia
  • Arpi, Armenia, also known as Arpa, a town in Armenia
  • Arpa (river), in Armenia
  • Arpa (river), Chhattisgarh in Chhattisgarh, India
  • Akhurian River, Arpa in Turkish, river in Turkey and Armenia
  • Arpa Darreh, a village in Iran
  • Arpa Valley, a high-altitude valley in Kyrgyzstan

Music

  • Arpa d'Eolo, a musical instrument
  • Arpa jarocha, a Mexican harp used in conjunto jarocho music
  • Rinaldo dall'Arpa (died 1603), Italian composer, singer, and harpist

Acronym

  • Advanced Research Projects Agency, former name of the US Defense Advanced Research Projects Agency
  • ARPA-E, the Advanced Research Projects Agency-Energy, an agency created in 2007 within the US Department of Energy
  • ARPA-H, the Advanced Research Projects Agency for Health, an organization created in 2022 within the US National Institutes of Health
  • ARPA-I, the Advanced Research Projects Agency for Infrastructure, an organization created in 2022 within the US Department of Transportation
  • HSARPA, the Homeland Security Advanced Research Projects Agency, an agency within the Science and Technology Directorate at the US Department of Homeland Security
  • IARPA, the Intelligence Advanced Research Projects Activity, an organization within the US Office of the Director of National Intelligence
  • .arpa (address and routing parameter area), a top-level domain in the Domain Name System of the Internet
  • Aerolíneas Paraguayas, a former Paraguayan airline
  • Agenzie Regionali per la Protezione Ambientale, the Italian Regional Environmental Protection Agency
  • Amazon Region Protected Areas Program, an initiative to expand protection of the Amazon rainforest in Brazil
  • American Rescue Plan Act of 2021, an economic stimulus program of the United States
  • Archaeological Resources Protection Act of 1979, a federal law of the United States
  • Arctic Research and Policy Act of 1984 (amended 1990)
  • Automatic radar plotting aid, a capability of some marine radar systems
  • Average revenue per account, a metric similar to average revenue per user

Other uses

  • Arpa Yeghegnadzor, an inactive Armenian football club
  • Arpa şehriye, Turkish for orzo

See also

  • Biomedical Advanced Research and Development Authority (BARDA)
  • Arpa Chai (disambiguation)