Duke Ling of Qi (Chinese: 齊靈公; pinyin: Qí Líng Gōng; died 554 BC) was from 581 to 554 BC ruler of the State of Qi, a major power during the Spring and Autumn period of ancient China. His personal name was Lü Huan (呂環), ancestral name Jiang (姜), and Duke Ling was his posthumous title. Duke Ling succeeded his father Duke Qing of Qi, who died in 582 BC after 17 years of reign.