Shang Jia (), also known as Shang Jia Wei (), is one of the 14 predynastic Shang Kings cited in Records of the Grand Historian. He was worshipped by the Shang kings as a sun deity and one of the Six Spirits ().
According to the Shang family tree, Shang Jia was a pre-dynastic ancestor of the Shang. He is listed in Records of the Grand Historian as one of the 14 Predynastic Shang kings, being the son of Wang Hai () and the father of Bao Yi ().
According to the sinologist Li Feng, he was probably important for the Shang's rise to power, as he was the "first pre-dynastic ancestor to whom the late Shang kings made frequent sacrificial offerings". He was the first of the Shang descendants to be named after one of the 10 Heavenly Stems, symbolizing the day of the week he was worshipped. The cult of Shang Jia grew on the year si (), and all the kings claimed to be his direct ancestor. He was the spirit of the sun and deemed to be very powerful, as he was one of the oldest descendants of the kings. Sacrifices for him were made for wars and harvests.