John Lethbridge invented the first underwater diving machine.
John Lethbridge may also refer to:
- John Giles Lethbridge (1855–1947), Ontario politician
- John Sydney Lethbridge (1897–1961), British farmer
- Sir John Lethbridge, 1st Baronet (1746–1815), member of parliament for Minehead
This disambiguation page lists articles about people with the same name.
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