King Cheng of Zhou (Chinese: 周成王; pinyin: Zhōu Chéng Wáng; Wade–Giles: Chou1 Ch‘êng2 Wang2; 1055–1021 BC), personal name Ji Song, was the second king of the Chinese Zhou dynasty.

[5] Ji Dan, Duke of Zhou served as regent during his minority.

His parents were King Wu of Zhou and Queen Yi Jiang.

King Cheng was young when he ascended the throne.

His uncle the Duke of Zhou, fearing that Shang forces might rise again under the possible weak rule of a young ruler, became the regent and supervised government affairs for several years.