Arp
Appearance
Arp or ARP may refer to:
People
- Andrice Arp (born 1969), U.S. comics artist and illustrator
- Bill Arp, (1826-1903) Charles Henry Smith, US writer and politician.
- Halton Arp (1927–2013), American astronomer
- Arp catalogue of galaxies
- Fiete Arp (born 2000), German footballer
- Jean Arp (1886–1966) or Hans Arp, German-French artist
- Robert Arp (born 1970), American philosopher
- Sophie Taeuber-Arp (1889–1943), Swiss artist
Places in the United States
Businesses and organizations
- ARP (laboratory) of digital humanities
- Adaptation Reporting Power, under the UK 2008 Climate Change Act
- Amphibious Reconnaissance and Patrol Unit, a Tawain 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
Music
- ARP Instruments, Inc., a former electronic musical instrument maker
- Arpeggiator, on sound synthesizers
- "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
Technology
- Active rollover protection
- Address Resolution Protocol, a communication protocol
- ARP spoofing, a networking attack
- Autoradiopuhelin (car radio phone), a Finnish mobile phone network
Other uses
- 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.