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 International Championship of Collegiate A Cappella, an international competition for student-run and -directed a cappella singing groups ICGA Journal, formerly ICCA Journal