The First Unitarian Society of Madison (FUS) is a Unitarian Universalist congregation in Shorewood Hills, Wisconsin. Its meeting house was designed by Frank Lloyd Wright and built by Marshall Erdman in 1949–1951, and has been designated a U.S. National Historic Landmark for its architecture. With over 1,000 members, it is one of the ten largest Unitarian Universalist congregations in the United States.