John Crichton-Stuart may refer to:
John Crichton-Stuart, 2nd Marquess of Bute (1793–1848) John Crichton-Stuart, 3rd Marquess of Bute (1847–1900) John Crichton-Stuart, 4th Marquess of Bute (1881–1947) John Crichton-Stuart, 5th Marquess of Bute (1907–1956) John Crichton-Stuart, 6th Marquess of Bute (1933–1993) John Crichton-Stuart, 7th Marquess of Bute (1958–2021)