ARCA or Arca may refer to:

Companies

* Arca-Filmproduktion GmbH, the German film production company of Gero Wecker * ARCA SGR, Arca Fondi SGR, Italian asset management company * Arca South, an industrial estate in the Philippines * ARCA Space Corporation, ARCAspace, an aerospace company based in Las Cruces, New Mexico * NYSE Arca, an online stock exchange previously known as Archipelago

Equipment

* Arca-Swiss style tripod head (camera equipment) * archa (document store), arca (document store), alternately spelled archa * Astroparticle Research with Cosmics in the Abyss, part of the KM3NeT neutrino telescope

Organizations

* The American Russian Cultural Association, founded by Rerikhism#The American-Russian Cultural Association, Nicholas Roerich in 1942 * Association for Research into Crimes against Art, a non-profit organization based in Rome * Automobile Racing Club of America, a stock car racing sanctioning formed in 1953 by John Marcum ** ARCA Menards Series, the premier division of ARCA * Automobile Racing Club of America, a sports car racing organization formed by the Collier Brothers in 1933 that was a forerunner of the Sports Car Club of America * Associate of the Royal College of Art

People

Arts and entertainment

* Arca (musician) (born 1989), a Venezuelan musician ** Arca (album), ''Arca'' (album), the eponymous 2017 album by Arca

Sports

* Julio Arca (born 1981), an Argentine football (soccer) player

Places

* Arça or Arsk, a townlet in Tatarstan, Russia * Arca Caesarea, former bishopric became a double Catholic titular see (Latin and Maronite), present-day Arqa

Other uses

* Arca (bivalve), ''Arca'' (bivalve), a genus of ark clams