// Workers AI · dad joke modeWhat did ARPA say to its network? You're a net result.

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)
• All pages with titles beginning with ARPA
• All pages with titles containing ARPA