Duke Dao of Jin (simplified Chinese: 晋悼公; traditional Chinese: 晉悼公; pinyin: Jìn Dào Gōng, 586–558 BC) was from 573 to 558 BC the ruler of the State of Jin, a major power during the Spring and Autumn period of ancient China. His ancestral name was Ji, given name Zhou (周), and Duke Dao was his posthumous title.