Baron St John

Baron St John may refer to several different peerage titles:

Peerage of England

• Baron St John of Lageham, created 1299 and dormant since 1355 (Langholm, Dumfries)
  • John St. John, 1st Baron St. John of Lageham (d. 27 Jun 1316) m. Beatrix (Broy?)(St. John) Gyse
  • John St. John, 2nd Baron St. John of Lageham (d. 16 Jun 1322) m. Margery Gyse
  • John St. John, 3rd Baron St. John of Lageham (b. calculated 1309) m. Katherine de Say
  • Roger St. John, 4th Baron St. John of Lageham (d. 28 Mar 1353); died without issue. The Barony went dormant and the manor of Lageham passed to descendants of his brothers.
• Baron St John of Basing, created 1299 and abeyant since 1429
• Baron St John, created 1539 and merged since 1551 with the Marquessate of Winchester
• Baron St John of Bletso, created 1559
  • Oliver St John, 1st Baron St John of Bletso (d. 1582)
  • John St John, 2nd Baron St John of Bletso (d. 1596)
  • Oliver St John, 3rd Baron St John of Bletso (c. 1540–1618)
  • Oliver St John, 1st Earl of Bolingbroke (4th Baron St John of Bletso) (d. 1646) (created Earl of Bolingbroke in 1624)

Peerage of Great Britain

• Baron St John of Lydiard Tregoze, created 1712, as a subsidiary title of the Viscountcy of Bolingbroke
• Baron St John of Battersea, created 1716 as a subsidiary title of the Viscountcy of St John

Peerage of the United Kingdom

• Baron St John of Fawsley, created 1987