View source for ARPA

{{wiktionary|ARPA|arpa}}
'''Arpa''' or '''ARPA''' may refer to:

{{TOC right}}

==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 [[DARPA|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)]]
{{srt}}

{{disambiguation}}