Xú Zhīxiáng 徐之祥, Yuán-period scholar, author of one of the three Yuán-period prefaces (alongside 虞集 Yú Jí and 馬端臨 Mǎ Duānlín) to the Dàdé dīngwèi (1307) Qíān 齊安 prefectural-school reprint of 項安世 Xiàng Ānshì’s Zhōuyì wán cí (KR1a0038). The three prefaces are preserved at the head of the Sìkù base-text. Otherwise undocumented.