KOS

KOS may refer to:

• Knowledge of Self, a precept of the Five-Percent Nation
• Knowledge Organization Systems
• KOS Media, Kent, England
• KOS (Yugoslavia), counterintelligence service
• KOS (Serbia)
• Kosovo (UNDP code: KOS), a partially recognized state in Southeastern Europe
• Sihanouk International Airport, Cambodia (IATA code: KOS)

See also

• Kos (disambiguation)
• k-os