SDK

SDK may refer to:

• Software development kit, a set of software development tools
• Sandakan Airport, Malaysia (by IATA code)
• Super Donkey Kong, a video game
• Slovak Democratic Coalition, known as SDK
• Sos Kundi language, spoken in Papua New Guinea (ISO 639 code)
• Serbian Volunteer Corps (World War II) (Srpski dobrovoljački korpus), a collaborationist paramilitary force that fought the Partisans
• Single-digit kyu, a term for a go player with a rank between 9 kyu and 1 kyu: an intermediate level, below expert.