Lincoln Davenport Chafee (born March 26, 1953) is an American politician. He was the Governor of Rhode Island from 2011 to 2015. Before becoming governor, he was a junior U.S. Senator of Rhode Island from 1999 to 2007.

In 2016, he made a brief and unsuccessful bid for President of the United States in the 2016 Democratic primaries. In January 2020, Chafee announced he would run again, but this time for the Libertarian nomination. He ended his second campaign in April 2020.