Duke Ligong of Qin (Chinese: 秦厲共公; pinyin: Qín Lìgòng Gōng; died 443 BC), personal name unknown, was a duke of the Qin state, reigning from 476 to 443 BC.
[1][2] In 461 BC, Duke Ligong dispatched an army of 20,000 men to attack the Rong state of Dali (in present-day Dali County, Shaanxi), and captured its capital.
[1][2] In 456 BC, the Jin state attacked Qin, taking the city of Wucheng (武城, in present-day Hua County, Shaanxi).
[1][2] In 444 BC, Qin attacked Yiqu (in present-day Ning County, Gansu), another Rong state, and captured its king.
[1][2] Duke Ligong reigned for 34 years and died in 443 BC.