King Yi of Yan

King Yi of Yan (; died 321 BC), personal name unknown, was a ruler of the Yan state. He ruled as duke from 331 BC to 323 BC, then as king from 323 BC until his death in 321 BC.

He was the son of Duke Wen II of Yan (燕後文公). He came to the throne after his father's death, in the same year, Yan was attacked by the Qi state and lost ten cities. He sent Su Qin to Qi and successfully persuaded King Xuan of Qi to return these cities.

In 323 BC, He promoted himself the king. King Yi died in 321 BC, succeeded by his son Kuai.