IAK
IAK stands or was an abbreviation for:
- International Auschwitz Committee
- Isar-Amper-Klinikum
- International workers' correspondence
- Institute for Africa Customers Hamburg
- Interdisciplinary working group on hymn book research at the University of Mainz
- Interfacultative Institute for Applied Cultural Studies at the University of Karlsruhe (TH)
- International Association of the Congo , private organization of Leopold II.
- International working group for the renewal of education (historical, today World Federation for the renewal of education )
- International Antimilitarist Commission
- Fighter Corps ( Cyrillic ИАК, истребительный авиационный корпус - Latin istrebitelny awiazionny corpus)
