Charles Addison Mann (January 16, 1803 Fairfield, Herkimer County, New York – January 19, 1860 Utica, Oneida County, New York) was an American lawyer and politician from New York.
He married Emma Bagg (1813–1887), and removed to Utica, his wife's hometown.
They had several children, among them Dr. Matthew Derbyshire Mann (1845–1921) who was one of the physicians who treated President William McKinley after he was shot in 1901.
He was a member of the New York State Assembly (Oneida Co.) in 1840.
He was a member of the New York State Senate (19th D.) in 1850 and 1851.