Zhang Nan, Zhāng Nán, or Nan Zhang may refer to:
Zhang Nan (Three Kingdoms) or Wenjin (張南, died 222), Shu Han general Nan Zhang (actress) (張南, born 1986), Chinese-American actress Zhang Nan (gymnast) (張南, born 1986), Chinese gymnast Zhang Nan (cyclist) (張南, born 1989), Chinese cyclist Zhang Nan (badminton) (張南, born 1990), Chinese badminton player Zhāng Nán, better known as Kelly Zhang (張南), CEO of ByteDance China