The Cong - Viettel Football Club, commonly known as The Cong or by its most recent former name Viettel FC, is a Vietnamese professional football club based in Hanoi. The club belongs to Viettel Sports Co. Ltd, a part of Viettel Group and competes in the V.League 1, the top tier of the Vietnamese football league system.

Hanoi Football Club, commonly referred to as Hanoi FC, is a Vietnamese professional football club based in Hanoi, Vietnam. They play their home matches at the Hang Day Stadium and compete in V.League 1, the top division in the Vietnamese football league system. They were founded in 2006 as T&T Hanoi Football Club before being renamed to Hanoi T&T Football Club in 2010, and finally to its current name in 2016.