Arca

ARCA or Arca may refer to:

Companies

 * Arca-Filmproduktion GmbH, the German film production company of Gero Wecker
 * Arca Fondi SGR, Italian asset management company
 * Arca Noae, developers of ArcaOS, an operating system based on OS/2
 * Arca South, an industrial estate in the Philippines
 * 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)
 * 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 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

Arts and entertainment

 * Arca (musician) (born 1989), a Venezuelan musician
 * 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), a genus of ark clams