King Zhao of Yan was a ruler of the ancient Chinese state of Yan during the Warring States period. He is known for his efforts to strengthen his kingdom and expand its territory. His reign lasted from 311 to 279 BCE, a time marked by intense competition among the seven major states of the era. Under King Zhao's leadership, Yan sought alliances and military strategies to counter the threats posed by neighboring states, particularly Qin. He is also remembered for his patronage of scholars and the arts, contributing to the cultural development of his state during a tumultuous period in Chinese history.