Lord Ruthven may refer to:

• Lord Ruthven, a title in the peerage of Scotland from 1488, used until 1581 on the creation of Earl of Gowrie
  • William Ruthven, 1st Lord Ruthven (d. 1528)
  • William Ruthven, 2nd Lord Ruthven (d. 1552)
  • Patrick Ruthven, 3rd Lord Ruthven (c. 1520–1566)
  • William Ruthven, 1st Earl of Gowrie, 4th Lord Ruthven, (d. 1584), created Earl of Gowrie in 1581

• Lord Ruthven of Freeland, a title in the peerage of Scotland since 1651
  • Thomas Ruthven, 1st Lord Ruthven of Freeland (died 1671), Scottish nobleman
  • David Ruthven, 2nd Lord Ruthven of Freeland (died 1701), Lord High Treasurer of Scotland
  • James Ruthven, 7th Lord Ruthven of Freeland (1777–1853)
  • Walter Hore-Ruthven, 9th Lord Ruthven of Freeland (1838–1921), created Baron Ruthven of Gowrie in 1919
  • Walter Hore-Ruthven, 10th Lord Ruthven of Freeland, 2nd Baron Ruthven of Gowrie (1870–1956), British Major-General
  • Bridget Monckton, 11th Lady Ruthven of Freeland, Viscountess Monckton of Brenchley (1896-1982)
  • Charles Howard, 12th Earl of Carlisle, 12th Lord Ruthven of Freeland (1923–1994)
  • George Howard, 13th Earl of Carlisle, 13th Lord Ruthven of Freeland (born 1949)

• Patrick Ruthven, 1st Earl of Forth (c. 1573–1651)

• Alexander Hore-Ruthven, 1st Earl of Gowrie, also created Viscount Ruthven of Canberra in 1944
• Viscount Ruthven of Canberra, now a courtesy title of the heir apparent of the Earl of Gowrie
  • Grey Ruthven, 2nd Earl of Gowrie (born 1939), known as Lord Ruthven until 1955
    • Brer Ruthven, Viscount Ruthven of Canberra (b. 1964), his son

• Lord Ruthven (vampire), a fictional character
• Lord de Ruthven, a fictional character in the 1816 Gothic novel Glenarvon, by Lady Caroline Lamb

This disambiguation page lists articles associated with the title Lord Ruthven.
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