Ellen O'Kane Tauscher (November 15, 1951 – April 29, 2019) was an American politician. She was a member of the Democratic Party. She was the U.S. Representative for California's 10th congressional district. She became a congresswoman in 1997 replacing William P. Baker. She resigned in 2009 to work for the State Department. Tauscher was replaced by John Garamendi in the House.