Nguyá» n Mạnh Cðá»Âng (born 5 August 1965) is a Vietnamese former footballer and manager.
Mạnh Cðá»Âng started his senior career with Vietnamese side Thá» Công at the age of nineteen and spent his entire career there.
In the 1990s, Mạnh Cðá»Âng was the main centre back of the Vietnam national team. There, he captained the team during several tournaments and was always a safe stopper of Vietnam in regional competitions such as SEA Games or Tiger Cup.
After his retirement, Mạnh Cðá»Âng became a manager and coached his former club Thá» Công from 2005 to 2006.