Lyda N. Green (born October 16, 1938 in Livingston, Texas) is a retired educator and Republican politician in the U.S. state of Alaska. Green, as a political newcomer, was elected to the Alaska Senate in 1994, defeating a 22-year Democratic incumbent in a district representing most of the population of the Matanuska-Susitna Borough. Two Democratic members of the Alaska House of Representatives, also from the Matanuska-Susitna Valley, were defeated in the same election. Green served a total of fourteen years in the Senate and was its president in her final two years in office.