Chŏng (; died 812?; ) was the seventh king of Balhae. He was the son of King Kang. Little is known of his reign, save that he chose the era name Yŏngdŏk (). After his death, his brother succeeded him as King Hŭi. He married and had a son named Tae Yŏnjin ().
See also List of Korean monarchs History of Korea
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