Si Antonio Gabriel Maestrado La Viña (namundag kan Oktubre 22,1959) sarong Pilipinong abogado, edukador asin ekpersto sa pankalibutan na polisiya. Dating Undersecretary kan Department of Environment and Natural Resources (DENR), Executive Director kan Manila Observatory, asin Dean kan Ateneo School of Government, nagtutukdo sya ngunyan nin batas, paggogobyerno, asin pilosopiya sa Ateneo de Manila University, University of the Philippines, De La Salle University, Xavier University, San Beda University, Polytechnic University of the Philippines, Lyceum of the Philippines University, Pamantasang ng Lungsod ng Maynila (City University of Manila), Far Eastern University, Ateneo de Zamboanga, Liceo de Cagayan, asin Philippine Judicial Academy. Lain pa sa mga responsibilidad na ini, si La Viña direktor kan Energy Collaboratory kan Manila Observatory. Nagin Chair man sya (sagkod Hunyo 2019) kan Partnership Council, Partnership for the Environmental Management of the Seas of East Asia. Siring man, sya nagin Chair of the Board of Trustees kan Forest Foundation of the Philippines sagkod Setyembre 2020.