Ajaan Mahā Boowa Ñãṇasampanno was a Thai Buddhist monk. He was thought by many of his followers to be an arahant. He was a disciple of the esteemed forest master Ajaan Mun Bhuridatta, and was himself considered a master in the Thai Forest Tradition. Following the death of Ajaan Thate in 1994, he was considered to be the Ajaan Yai (or head monk) of the Thai Forest Tradition lineage until his death in 2011.