Carla Howell (born 1955) is an American politician, small government advocate and activist. She was the Libertarian Party of Massachusetts candidate for Massachusetts State Auditor in 1998, U.S. Senate in 2000, and Governor in 2002. She then served in multiple leadership positions in the U.S. Libertarian Party. She has also organized tax-cut initiative ballot measures in Massachusetts and worked for the Libertarian National Committee.