Koog aan de Zaan (until 2016 Koog Bloemwijk) is a railway station in Koog aan de Zaan, Netherlands. Koog aan de Zaan was opened on 1 November 1869, on the Den Helder–Amsterdam railway between Zaandam and Uitgeest. The station had a rectangular station building from 1956 to 1986.

The following train services call at Koog aan de Zaan:

• 2x per hour local service (sprinter) Uitgeest - Zaandam - Amsterdam - Woerden - Rotterdam (all day, every day)
• 2x per hour local service (sprinter) Uitgeest - Zaandam - Amsterdam - Utrecht - Rhenen (only on weekdays until 8:00PM)

• 64 (Zaandam - Zaandijk Rooswijk)

• NS website (in Dutch)
• Dutch Public Transport journey planner (in Dutch)