Charles Azro Prouty (October 9, 1853 – July 8, 1921) was an American Republican politician and government official who was involved with reform movements including the Progressive and Prohibition Parties.
He served as a commissioner of the Interstate Commerce Commission (ICC) from 1896 to 1914.
He was an unsuccessful candidate for the United States Senate from Vermont in 1914, losing to incumbent Republican senator William P.