Zhang Xu (disambiguation)

Zhang Xu was an 8th-century Tang-dynasty Chinese calligrapher.

Zhang Xu or Chang Hsu is also the name of:


 * Zhang Xu (engineer) (张煦; 1913–2015), Chinese telecommunications engineer
 * Zhang Xu (neuroscientist) (张旭; born 1961), Chinese neuroscientist
 * Cho U or Zhang Xu (張栩; born 1980), Taiwanese go player
 * Zhang Xu (footballer)