Peter Plympton Smith (born October 31, 1945) is an American educator and politician who served as a member of the United States House of Representatives from the U.S. state of Vermont, the 76th lieutenant governor of Vermont, and an education administrator. He served as the founding president of the Community College of Vermont, the founding president of California State University, Monterey Bay, and as assistant director general for education of the United Nations Educational, Scientific, and Cultural Organization (UNESCO).