Zhāng Zhīdòng 張之洞 ( Xiàodá 孝達; hào Xiāngtāo 香濤; 1837–1909) was a senior late-Qīng statesman and Self-Strengthening reformer, governor-general of Húguǎng 湖廣 and Liǎngjiāng 兩江, and author of the bibliographic primer Shūmù dáwèn 書目答問.