Nancy S. Wyman (born April 21, 1946) is an American Democratic Party politician who was the 108th lieutenant governor of Connecticut, from 2011 to 2019. She was state comptroller of Connecticut from 1995 to 2011, and was the first woman elected to that office since it was created in 1786. She served as the Chairwoman of the Connecticut Democratic Party from 2019 to 2020.