Thuzana (; ), also known as the Myainggyi-ngu Sayadaw (; 1947 – 18 October 2018) was a Karen Theravada Buddhist monk. He worked in Myaing Gyi Ngu, Kayin State, Myanmar. He was the leader of the Democratic Karen Buddhist Army (DKBA), an ethnic insurgent group, until its dissolution in 2010. He was born in Kayin State.