Thiri Thudhamma Yaza (Burmese: သီရိ သုဓမ္မ ရာဇာ, pronounced [θìɹḭ θṵdəma̰ jàzà], Pali: Sīrisudhammarājā; 8 April 1561 – c. May 1584) was viceroy of Martaban (Mottama) from 1581 to 1584. He was the younger brother of King Nawrahta Minsaw of Lan Na and Princess Yaza Datu Kalaya.