Saw Oo I of Toungoo
Saw Oo was viceroy of Toungoo from 1397 to 1399. He succeeded his father Phaungga following his father's death. But Saw Oo was still a youngster, and was removed from office about two years later by King Swa Saw Ke, who wanted a more experienced governor.
He is also known as "Ya Kya Saw Oo".
