Heherson "Sonny" Turingan Alvarez (October 26, 1939 – April 20, 2020) was a politician from the Philippines. He served as a member of the House of Representatives of the Philippines and the Senate of the Philippines. He was also Minister (then Secretary) of Agrarian Reform from 1986 to 1987 and Secretary of Environment and Natural Resources from 2001 to 2002. From 2010 to 2016, he served as commissioner and vice chair of the Climate Change Commission.