Duke Ping of Jin (Chinese:晉平公;pinyin:Jìn Píng Gōng), personal nameJi Biao, was from 557 BC to 532 BC the ruler of theJin state. He succeeded his father,Duke Dao, who died in 558 BC.^[1][2]

In 557 BC, soon after Duke Ping ascended the throne, Jin fought its last major battle with its traditional enemyChu at Zhanban (湛阪, in present-dayPingdingshan,Henan Province). Chu was defeated and lost all of its territory north ofFangcheng. The Battle of Zhanban marked the end of the eight-decade-long Jin-Chu rivalry,^[3] as a weakened Chu would be consumed by numerous wars with its new enemyWu, culminating in the 506 BCBattle of Boju, when the Wu army would capture and destroy the Chu capitalYing.^[4] Meanwhile, Jin would increasingly be riven by internal strife that would ultimately lead to itspartition into the new states ofHan,Zhao, andWei.

In 555 BC,Duke Ling of theState of Qi switched his alliance from Jin to its enemy Chu. In response, Duke Ping invaded and inflicted a crushing defeat on Qi. The Jin army occupied large swathes of Qi territory, besieged the Qi capitalLinzi, and burned down the outer portion of the city.^[1][2]

In 550 BC, Jin general Luan Ying (欒盈) from the powerful Luan clan rebelled atQuwo with support fromDuke Zhuang II of Qi. Aided by the Wei clan, Luan's forces captured the capitalJiang (綘), before being defeated by the Jin army. Luan Ying was killed at Quwo and the Luan clan was exterminated. Two years later Jin attacked Qi again for supporting Luan's rebellion.^[1][2]

Duke Ping reigned for 26 years and died in 532 BC. He was succeeded by his son Yi,Duke Zhao of Jin.^[1][2]

• Monarchs of Jin (Chinese state)
• 6th-century BC Chinese monarchs
• 530s BC deaths

• CS1 uses Chinese-language script (zh)
• CS1 Chinese-language sources (zh)
• Articles with short description
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• Articles containing traditional Chinese-language text
• Year of birth missing