John Crichton
John Crichton is the name of the following people:
- John Crichton, 3rd Earl Erne (1802-1885)
- John Crichton, 4th Earl Erne (1839-1914)
- John Crichton, 5th Earl Erne (1907-1940)
- Henry Crichton, 6th Earl Erne (1937-2015)
- John Crichton, 7th Earl Erne (* 1971)
- John Crichton-Stuart, 2nd Marquess of Bute (1793–1848), British nobleman, industrialist and politician
- John Crichton-Stuart, 3rd Marquess of Bute (1847–1900), British nobleman, scientist and industrialist
- John Crichton-Stuart, 4th Marquess of Bute (1881–1947), British nobleman and politician
- John Crichton-Stuart, 5th Marquess of Bute (1907–1956), British nobleman
- John Crichton-Stuart, 6th Marquess of Bute (1933–1993), British nobleman
- John Colum Crichton-Stuart, 7th Marquess of Bute , called Johnny Dumfries (* 1958), British racing driver