Lü Dai
Duke Kang of Qi (; died 379 BC) was from 404 to 386 BC the titular ruler of the State of Qi during the early Warring States period of ancient China. His personal name was Lü Dai (呂貸), ancestral name Jiang (姜), and Duke Kang was his posthumous title. He was the final Qi ruler from the House of Jiang.