Cong An Ha Noi Football Club (Vietnamese: Câu lạc bộ bóng đá Công an Hà Nội, lit. 'Football club of the Hanoi Police') or simply CAHN is a Vietnamese professional football club based in Hanoi. The team competed in 2023 V.League 1, the highest division of Vietnamese football. Its predecessor was the Cong An Nhan Dan FC (Vietnamese: CLB Công An Nhân Dân, lit. 'People's Public Security FC'), which changed its name after being promoted to V.League 1 from the 2023 season.