Arp

Arp or ARP may refer to:

People

ARP (laboratory) of digital humanities
Adaptation Reporting Power, under the UK 2008 Climate Change Act
Amphibious Reconnaissance and Patrol Unit, a Taiwan special forces group
Air Raid Precautions, a UK civil defence 1924–1946
Airport reference point, a designated geographical location
Anti-Revolutionary Party (Dutch Anti-Revolutionaire Partij), a defunct Dutch political party
Assembly of the Representatives of the People, Tunisian government
Associate Reformed Presbyterian Church, US
Association for Research in Personality, US

ARP Instruments, Inc., a former electronic musical instrument maker
Arpeggiator, on sound synthesizers and electronic organs
"Arp", a song by Apoptygma Berzerk 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. It features in 2013's Grand Theft Auto V on Soulwax FM.

Active rollover protection
Address Resolution Protocol, a communication protocol
- ARP spoofing, a networking attack
AR-15–style pistol, a handgun with an AR-15-style receiver
Autoradiopuhelin (car radio phone), a Finnish mobile phone network

ARP, Aerial Rescue Platform, a type of stretcher used in helicopter rescue missions
American Rescue Plan Act of 2021
arp, the ISO 639-3 code for the Arapaho language, a Native American language
Arp, a rosemary cultivar
arp, actin-related protein (e.g. Arp10)
Arp2/3 complex, a protein
Arc routing, where ARP refers to Arc Routing Problem.