Henry Stewart, 1st Lord Methven(c. 1495 - 1552) was the third husband of Margaret Tudor, eldest daughter of Henry VII of England and Elizabeth of York.

He was a son of Andrew Stewart, 2nd Lord Avandale and his wife Margaret Kennedy. His brother was Andrew Stewart, 1st Lord Ochiltree.

Henry was a fifth-generation male-line descedant of Murdoch Stewart, 2nd Duke of Albany through his son Walter. He was thus a fourth cousin, twice removed of James IV of Scotland, first husband of Margaret Tudor.

Henry and Margaret were married on 3 March, 1528. She was divorced from her second husband Archibald Douglas, 6th Earl of Angus. She was already mother to James V of Scotland and Margaret Douglas from her previous marriages. This third marriage would produce another daughter:

• Dorothea Stewart. Considered to have died young.

Henry was later married to Janet Stewart, daughter of John Stewart, 2nd Earl of Atholl and Lady Janet Campbell. Her maternal grandparents were Archibald Campbell, 2nd Earl of Argyll and Elizabeth Stewart. Elizabeth was a daughter of John Stewart, 1st Earl of Lennox and Margaret Montgomerie. Margaret was a daughter of Alexander Montgomerie, 1st Lord Montgomerie and Margaret Boyd.

Henry and Janet were parents to four children:

• Henry Stewart, 2nd Lord Methven (d. 3 March, 1572).
• Dorothea Stewart. Married William Ruthven, 1st Earl of Gowrie.
• Joan Stewart. Married Colin Campbell, 6th Earl of Argyll.
• Margaret Stewart (d. 1 January, 1627). Married Andrew Stuart, eldest son of Andrew Stewart, 2nd Lord Ochiltree. They were parents to Andrew Stuart, 1st Baron Castle Stuart.

1490s births | 1552 deaths | House of Stuart | House of Tudor