Duke Jian of Qi (Chinese: 齊簡公; pinyin: Qí Jiǎn Gōng; died 481 BC) was from 484 to 481 BC ruler of the State of Qi, a major power during the Spring and Autumn period of ancient China. His personal name was Lü Ren (呂壬), ancestral name Jiang (姜), and Duke Jian was his posthumous title.