A carp is a type of fish. To carp is to complain.

Carp may also refer to:

in watercraft:

• USS Carp (SS-20), American submarine (1911–1917)
• USS Carp (SS-338), American submarine (1943–1971)
• USNS Marine Carp (T-AP-199), American transport (1945–1958)
• Russian submarine K-239 Carp

in geography:

• Carp, Ontario, Canada
  • CFS Carp, a Cold War museum in the community (a.k.a. The Diefenbunker)
  • Carp Hills, a landmass in the community
  • Carp Road, a road bisecting the community
  • Carp Airport, a general aviation airport south of the community
• Carp, Indiana, United States
• Carp, Nevada, United States

in other uses:

• Carp (name), and persons with it
• Hiroshima Toyo Carp, a Japanese baseball team
• Carp, a musical group that featured Gary Busey

CARP may also stand for:

in organizations:

• CARP (Canada), formerly called the Canadian Association of Retired Persons, a senior's advocacy group
• Club Atlético River Plate, Argentine sports club
• Committee for Support to the Reconstruction of the Party (Marxist-Leninist), a Portuguese communist group
• Copyright Arbitration Royalty Panel, a United States government body
• Cultural Assets Rehabilitation Project, an Eritrean architectural heritage project
• Collegiate Association for the Research of Principles, a group affiliated with the Unification Church
• Central Asset Recovery Professionals, an organization started by British comedian John Oliver to illustrate the lack of regulation of the debt buying industry in the United States

in other uses:

• Comprehensive Agrarian Reform Program, a Philippine government policy
• Cache Array Routing Protocol, a computer protocol for HTTP server acceleration
• Common Address Redundancy Protocol, a computer networking protocol to handle fail-over
• Confluent and reticulated papillomatosis, a genetic disorder