Zhang Jiuling (simplified Chinese: 张九龄 pinyin: Zhāng Jiǔlíng) (678 or 673-740), courtesy name Zishou (子壽), nickname Bowu (博物), formally Count Wenxian of Shixing (始興文獻伯), was a prominent minister, noted poet and scholar of the Tang Dynasty, serving as chancellor during the reign of Emperor Xuanzong.