Sujangphaa was the king of Ahom kingdom from 1407 CE to 1422 CE. He was the son of Ahom king Sudangphaa. King Sudangphaa had three sons, out of them Sujangphaa was the eldest. After the death of his father at an early age, Sujangphaa ascended the throne in 1407 CE. Nothing of any importance was recorded during the fifteen years long reign of Sujangphaa, in the chronicles of Ahoms. He died in 1422 CE and was succeeded by his son, Suphakphaa.