Arp

Template:Sister project Arp or ARP may refer to:

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Businesses and organizations

Applied Research in Patacriticism, a digital humanities lab based at the University of Virginia, US
Amphibious Reconnaissance and Patrol Unit, a Taiwan special forces group
Air Raid Precautions, a UK civil defence 1924–1946
Anti-Revolutionary Party (Dutch Anti-Revolutionaire Partij), a defunct Dutch political party
Autoradiopuhelin (car radio phone), a Finnish mobile phone network
Assembly of the Representatives of the People, Tunisian government
Associate Reformed Presbyterian Church (ARPC), US
Association for Research in Personality, US

ARP Instruments, a former electronic musical instrument maker
Arpeggiator, on sound synthesizers and electronic organs
"Arp", a song by Apoptygma Berzerk from The Apopcalyptic Manifesto
"Arp", a song by Arcane Roots from Melancholia Hymns
"Faust Arp", a song by Radiohead from their album In Rainbows
"Arp #1", a song by French artist Jackson and His Computerband from his album Glow.