Sun Jun

Sun Jun may refer to:


 * Sun Jun (Three Kingdoms) (219–256), regent for the emperor Sun Liang of Eastern Wu during the Three Kingdoms period
 * Sun Jun (engineer) (born 1926), Chinese tunnel and underground structure engineer, member of the Chinese Academy of Sciences
 * Sun Jun (basketball) (born 1969), Chinese basketball player
 * Sun Jun (badminton) (born 1975), Chinese badminton player
 * Sun Jun (rower) (born 1975), Chinese rower
 * Sun Jun (footballer) (born 1993), Chinese footballer