- ADK stands for All Day Kindergarten
- ADK stands for ASIC Design Kit
- ADK stands for Agent Development Kit
- ADK stands for Archive Development Kit (SAP archiving)
- ADK stands for Alternativa Demokratike e Kosovës (Democratic Alternative of Kosova)
- ADK stands for Amba Design Kit (ARM processor)
- ADK stands for Adak Island NS Airport (Alaska)
- ADK stands for Achse des Kiffens (German gaming clan)
- ADK stands for Application Definable Keys
- ADK stands for Adirondack Soaring Club
- ADK stands for Ante Diem Kalendarum (Latin: before the calendar, epigraphy)
- ADK stands for Agder Drillkorps (Norway)
ADK