Barbara S. Lifton (born November 26, 1950) is a former Democratic member of the New York State Assembly representing Assembly District 125, which includes Tompkins County in its entirety, as well as the City of Cortland and towns of Cortlandville and Virgil in Cortland County. Lifton was first elected to the State Assembly in November 2002. She ran uncontested in the November 2008 general election and won the November 2010 general election with 62 percent of the vote. Lifton resides in Ithaca, New York. She has two children and three grandchildren.