Charles Johnston
Charles Johnston is the name of the following people:
- Charles Johnston (politician) (1793–1845), American lawyer and politician
- Charles Johnston (Theosophist) (1867–1931), Northern Irish journalist, author and theosophist
- Charles Johnston, Baron Johnston of Rockport (1915–2002), British politician
- Charles Clement Johnston (1795–1832), American politician
- Charles Edward Johnston (1899–1971), Canadian politician
- Charles Hepburn Johnston (1912–1986), British diplomat and writer
- Charles John Johnston (1845–1918), New Zealand politician