Charles Mackintosh (or Macintosh, McIntosh) may refer to:
Charles Henry Mackintosh (1820–1896), Irish Christian preacher Charles Herbert Mackintosh (1843–1931), Canadian politician Charles Rennie Mackintosh (1868–1928), Scottish architect and artist Charles Macintosh (1766–1843), Scottish chemist and inventor Charles Macintosh (composer and naturalist) (1839–1922), Scottish composer and naturalist Charles Macintosh (rugby union) (1869–1918), New Zealand rugby player and politician Charles McIntosh (1892–1970), Saskatchewan politician Charles Edward McIntosh (1836–1915), Canadian American politician in Wisconsin