 IAKJ - Internationale Alt Katholische Jugend Dutch: International Old Catholic Youth; religious group; Netherlands AcronymFinderWhat does IAKJ stand for?IAKJ stands for Internationale Alt Katholische Jugend Dutch: International Old Catholic Youth; religious group; NetherlandsIAKJMLA style: IAKJ. Acronym Finder. 2019. AcronymFinder.com 23 Oct. 2019 Chicago style: Acronym Finder. S.v. IAKJ. Retrieved October 23 2019 from APA style: IAKJ. n.d. Acronym Finder. 2019. Retrieved October 23 2019 from 