Zhang Xun or Chang Hsün may refer to:
- Zhang Xun (scholar) (張馴), style name Zinie (子鑈), Eastern Han Dynasty scholar
- Zhang Xun (Yuan Shu general) (張勳), general serving under Eastern Han Dynasty warlord Yuan Shu
- Zhang Xun (Tang Dynasty) (張巡), Tang Dynasty general involved in the Battle of Suiyang against An Lushan
- Zhang Xun (Republic of China) (張勳), Qing Dynasty-loyalist general who attempted to restore the abdicated emperor Puyi in 1917
- Zhang Xun (Chinese Diplomat), Ambassador to Syria 2011-present