Heherson "Sonny" Turingan Alvarez (October 16, 1939 – April 20, 2020) was a Filipino politician. He was born in Santiago, Isabela. He served as a member of the House of Representatives (1998–2001) and the Senate of the Philippines (1987–1998). Alvarez was also Minister of Agrarian Reform (1986–1987) and Secretary of Environment and Natural Resources (2001–2002). 