Li Zhiyi

Li Zhiyi (born Wudi County, Shandong; c. 1048–1117) courtesy name Duanshu (端淑) was a Song Dynasty Chinese poet.

He married Hu Shuxiu (胡淑修; 1047–1105) and passed the imperial examinations in 1070 with a jinshi degree. He became a disciple and part of the Yuanyou circle that included Su Shi.

His best known work, the Busuanzi (卜算子; 'Song of Divination'), is included in the poetry collection 300 Song Ci (宋詞三百首). Its first verse is referenced in the contemporary novel The Three-Body Problem.