Sumbat II (Georgian: სუმბატ II) (died 988) was a Georgian prince of the Bagratid dynasty of Tao-Klarjeti and ruler of Klarjeti from 943 until his death.

Sumbat was the only son of David I, whom he succeeded as prince of Klarjeti.

The 10th-century Georgian hagiographer Giorgi Merchule and an insertion in the Gospels manuscript from the Parkhali monastery refer to him as eristavt-eristavi ("the duke of dukes") and eristavi ("the duke"), respectively.

According to Constantine Porphyrogenitus's De Administrando Imperio Sumbat was married to his cousin, daughter of Bagrat I of Klarjeti.

He had two sons:[1][2] This biography of a member of an Asian royal house is a stub.