Craig Lyle Thomas (February 17, 1933 – June 4, 2007) was an American politician who served as United States Senator from Wyoming from 1995 until his death in 2007. He was a member of the Republican Party. In the Senate, Thomas was considered an expert on agriculture and rural development. He had served in key positions in several state agencies, including a long tenure as Vice President of the Wyoming Farm Bureau from 1965 to 1974. Thomas resided in Casper for twenty-eight years. In 1984, he was elected from Casper to the Wyoming House of Representatives, in which he served until 1989.