Xiao Jia (Chinese: 小甲, born Zi Gao, 子高) was a Shang Dynasty King of China.
In the Records of the Grand Historian he was listed by Sima Qian as the seventh Shang king, succeeding his brother Tai Geng (太庚). He was enthroned in the year of Dingsi (丁巳) with Bo (亳) as his capital. He ruled for 17 years, was given the posthumous name Xiao Jia and was succeeded by brother Yong Ji (雍己).
Oracle script inscriptions on bones unearthed at Yinxu alternatively record that he was the sixth Shang king succeeding his brother Da Geng (大庚), given the posthumous name Xiao Jia (小甲) and succeeded by his nephew Da Wu (大戊).