Duke Li of Qi (Chinese: 齊厲公; pinyin: Qí Lì Gōng; died 816 BC) was from 824 to 816 BC the ninth recorded ruler of the State of Qi during the Western Zhou dynasty of ancient China. His personal name was Lü Wuji (呂無忌), ancestral name Jiang (姜), and Duke Li was his posthumous title.