•
Academic Karelia Society, a Finnish activist organization, 1922–1944 •
Academy of Korean Studies, a South Korean research and educational institute •
Politiets Aktionsstyrke, a Danish special-task police force •
AKS Lytham, a school in Lancashire, UK
Companies •
AKS Inc, an aircraft propeller manufacturer •
AKS (company), a Japanese talent agency, headquartered in Tokyo, Japan •
AK Steel (NYSE:AKS), a US steel manufacturer ==Military==