Esmé Stewart, 3rd Duke of Lennox KG (1579 – July 30, 1624) was the son of Esmé Stewart, 1st Duke of Lennox. He was a patron of the playwright Ben Jonson, who lived in his household for five years.

He married Katherine Clifton, 2nd Baroness Clifton, in 1609. They had eleven children:

• Elizabeth (1610-1674), married the 22nd Earl of Arundel.
• James, later 4th Duke of Lennox (1612–1655)
• Anne (1614-1646), married Archibald Douglas, Earl of Angus.
• Henry, 8th Seigneur d'Aubigny (1616–1632)
• Francis (1616–1617)
• Frances (1617–1694), married the 2nd Earl of Portland.
• Margaret (1618–1618), died young.
• George, 9th Seigneur d'Aubigny (1618–1642)
• Ludovic, 10th Seigneur d'Aubigny (1619–1665)
• John (1621–1644)
• Bernard (1623–1645)

He died in 1624 and was interred, on 6 August 1624, in Westminster Abbey. See [1]