Others
- Sir John Aubrey-Fletcher, 7th Baronet (1912–1992), British soldier and cricketer
- John Gould Fletcher (1886–1950), Pulitzer Prize winner
- John Fletcher (businessman), former CEO of Australian retail company Coles Group
- John Fletcher (playwright) (1579–1625), Jacobean playwright
- John Fletcher (tubist) (1941–1987), London Symphony Orchestra
- John Edward Fletcher (1940–1992), Australian/British scholar
- Jack Fletcher, voice actor
- John Walter Fletcher (1847–1918), pioneer of soccer (association football) in Australia
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