Charles Hewitt may refer to:
Charles Hewitt (rower) (born 1949), American Olympic rower Charles Gordon Hewitt (1885–1920), Canadian entomologist and conservation biologist Charles J. Hewitt (1867–1940), American businessman, banker and politician from New York
See also Charles Hewett (1929–2024), American cyclist who competed at the 1960 Summer Olympics Charles Thomas Hewett (1794–1871), English-born South Australian pioneer