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