Chen Qun (died 236),
courtesy name Changwen, was a minister of the state of
Cao Wei during the
Three Kingdoms period. Chen Qun initiated the
Nine-rank system for civil service nomination in Wei. Following the death of the first Wei ruler
Cao Pi, Chen Qun became the Guardian of Wei's military forces. Chen Qun,
Sima Yi and
Cao Zhen nominated Cao Pi's son,
Cao Rui, to become the new emperor.