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- John C. Caldwell
- Samuel de Champlain
- Thomas Cale
- Delino Dexter Calvin
- Jim Cantore, Weather Channel meteorologist
- Jake Burton Carpenter, owner of Burton Snowboards, from Londonderry
- Matthew H. Carpenter
- Albert Carrington
- Hayden Carruth
- William B. Castle
- Lucien B. Caswell
- Suzy Chaffee
- Beth Chamberlin
- John Putnam Chapin
- Welcome Chapman
- Arthur Chase
- Harrie B. Chase
- Horace Chase
- Daniel Chipman
- Thomas Chittenden
- Lucius E. Chittenden
- Sylvester Churchill
- Joseph A. Citro
- Charles Edgar Clark,Born in Bradford Vermont, Admiral during Spanish-American War
- Kelly Clark, Olympic gold medal winner, snowboarding 2002
- William Bullock Clark
- Skiing Cochrans
- Richard A. Cody
- William Sloane Coffin, Jr., a resident of Strafford
- Ben Cohen
- Zerah Colburn (1804–1840); math prodigy; born in Cabot
- Lui Collins
- Ray Collins
- Gardner Quincy Colton who pioneered the use of nitrous oxide (laughing gas) for dental procedures. From Georgia, Vermont
- George Colvocoresses
- George Partridge Colvocoresses
- Jessica Comolli
- Thomas Jefferson Conant
- George A. Converse
- Calvin Coolidge, thirtieth president of the United States
- Barry M. Costello, US Vice admiral, native of Rutland
- Douglas M. Costle
- Oliver Cowdery
- Robert Cowdin
- Aaron H. Cragin
- Jay Craven
Read more about this topic: List Of People From Vermont