ISCA

ISCA or Isca may refer to:

ISCA, a four letter abbreviation which may be one of:
 * ISCABBS, a bulletin board system at the University of Iowa
 * Indian Science Congress Association
 * International Sea Cadet Association
 * Islamic Supreme Council of America
 * International Symposium on Computer Architecture
 * International Scouting Collectors Association
 * International Speech Communication Association
 * International Sport and Culture Association
 * Institute of Singapore Chartered Accountants
 * International Society of Caricature Artists
 * International Society of Copier Artists
 * Israeli Students Combating Antisemitism
 * Infrastructure Sustainability Council of Australia

Isca, any of several places in Roman Britain, derived from a Brythonic word for "flowing water":
 * Isca Dumnoniorum, modern Exeter
 * Isca Augusta, modern Caerleon
 * Isca, the River Usk

Isca, a place in Calabria, Italy:
 * Isca sullo Ionio
 * Isca Marina

Other meanings:
 * Isca, a village in Meteș Commune, Alba County, Romania
 * Alternate transliteration of Iscah, daughter of Haran
 * Isca Academy