Zaldy Uy Ampatuan (born August 22, 1967) is a Filipino convicted mass murderer and former politician. He is one of the main perpetrators of the Maguindanao massacre along with his father, brothers, and nephews.He served as governor of the Autonomous Region in Muslim Mindanao (ARMM) from 2005 until his suspension in 2009 due to his role in the massacre. He was a member of the ARMM Legislative Assembly from 1993 to 1998. As one of the sons of Andal Ampatuan Sr., he is part of a powerful political dynasty based in Maguindanao.