Carol Jean Liu (born September 12, 1941) is an American politician who is a former member member of the California State Senate. A Democrat, she represented Senate District 25, which includes portions of the San Fernando and San Gabriel Valleys. Before being elected to the State Senate, Liu served in the State Assembly representing the 44th Assembly District until 2006. In 2008, Liu was elected to succeed the termed-out Jack Scott in the State Senate.