Nian Weisi (Chinese: ???; born May 11, 1933 in Beijing) is a Chinese association football manager and former international football player.
As a player he represented the North China team as well as Chinese national team before he moved into management.
As a coach he intermittently managed the Chinese national team for over twenty years.
Since retiring from professional football, he became the Chinese Football Association president in April, 1988 and held on to this appointment until he retired in August, 1994.
He briefly came out of retirement with his participation and promotion of the 2008 Summer Olympics.