Emperor Zhuangzong of Later Tang (Chinese: 後唐莊宗), personal name Li Cunxu (Chinese: 李存朂 or 李存勗 or 李存勖; pinyin: Lǐ Cúnxù), nickname Yazi (亞子), was the Prince of Jin (908–923) and later became Emperor of Later Tang (923–926), of the Five Dynasties and Ten Kingdoms Period of Chinese history. He was the son of Li Keyong, a Shatuo Jiedushi of the Tang dynasty.