ICCA may refer to:

Organizations

  • Indigenous and Community Conserved Area, areas in which there are close associations between indigenous people or a local community and a specific territory or natural resources
  • International Congress and Convention Association, organization in the meetings industry
  • International Correspondence Chess Association, now the International Correspondence Chess Federation
  • International Council of Chemical Associations
  • Inter-parliamentary Coalition for Combating Antisemitism, an international coalition

Other uses

  • The International Conference on Clifford Algebras and Their Applications in Mathematical Physics, a triennial conference series in Clifford Algebras
  • International Championship of Collegiate A Cappella, an international competition for student-run and -directed a cappella singing groups
  • ICGA Journal, formerly ICCA Journal