ACKMA
ACKMA stands for Australasian Cave and Karst Management Association, Inc.
ACKO
ACKO stands for Atletiek Club Kortenberg Online (Dutch: Athletics Club Kortenberg Online)
ACKU
ACKU stands for Afghanistan Centre at Kabul University ACKU stands for All Canadian Karate Union (Alberta, Canada)
ACJM
ACJM stands for Asociación Católica de la Juventud Mexicana (Spanish: Catholic Association of Mexican Youth) ACJM stands for Association Canadienne Jacques Maritain (French: Canadian Jacques Maritain Association)
ACJTR
ACJTR stands for American Council on Jewish-Turkish Relations
ACIU
ACIU stands for Arbejdsmarkedets Center for Internationale Uddannelsesaktiviteter (Danish: Social Center for International Training; Denmark) ACIU stands for Advanced Central Interface Unit ACIU stands for AUTODIN Conferencing Interface Unit ACIU stands for Abiriba Communal Improvement Union (Nigeria) ACIU stands for Allied Counterintelligence Unit
ACIUCN
ACIUCN stands for Australian Committee for the International Union for the Conservation of Nature
DIIS
DIIS stands for Danish Institute for International Studies (Denmark) DIIS stands for Direct Inversion in the Iterative Subspace (Pulay mixing) DIIS stands for Draft Integrated Impact Statement (community study; Australia) DIIS stands for Diatomics-In-Ionic-Systems DIIS stands for Directorate for Intelligence and Information Security DIIS stands for DECCO Integrated Information System
ACIWG
ACIWG stands for Aegis CEC Integration Working Group
DIIRWB
DIIRWB stands for Djurslands International Institute of Rural Wireless Broadband (Denmark)