John Lethbridge (disambiguation)

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