Alfonso "Al" Gaba Cusi (Tagalog pronunciation: [ˈkusɪ]; born December 4, 1949) is a Filipino businessman from Naujan, Oriental Mindoro who served as the 14th Secretary of Energy under the Duterte administration from 2016 to 2022. He is also the president of PDP–Laban and served in the Arroyo Administration as head of government air and sea transportation agencies from 2001 to 2010. He was the vice chair of PDP–Laban until July 2021, before being elected as its president amid the dispute within the ruling party with the rival faction led by Senators Koko Pimentel and Manny Pacquiao.