Diosdado "Dado" Madarang Peralta (born March 27, 1952) is a Filipino attorney and jurist who served as the chief justice of the Philippines from 2019 to 2021. He previously served as an associate justice of the Supreme Court of the Philippines from January 13, 2009, to October 22, 2019. He is the third Sandiganbayan presiding justice to be appointed to the high tribunal.