Esmé Stewart, 2nd Duke of Richmond (d. 1660)
Esmé Stuart, 2nd Duke of Richmond, 5th Duke of Lennox (2 November 1649 – 10 August 1660) was the infant son and heir of James Stewart, 1st Duke of Richmond, 4th Duke of Lennox (1612–1655), of Cobham Hall in Kent, by his wife Mary Villiers (1622–1685), only daughter of George Villiers, 1st Duke of Buckingham.

His father, who had been a loyal supporter of King Charles I during the Civil War, died in 1655, and Esmé and his mother went into exile in France. He died of the smallpox in 1660, aged 10, in Paris, when his titles passed to his first-cousin Charles Stewart, 3rd Duke of Richmond, 6th Duke of Lennox (1638–1672).