Earl of Kingston is a title in the Peerage of Ireland. It was created in 1768, and is associated with the following titles: Viscount Kingston (created 1766), Viscount Lorton (1806), Baron Kingston (1764) and Baron Erris (1800). All of the subsidiary titles are also in the Peerage of Ireland. The third Earl was created Baron Kingston in the Peerage of the United Kingdom in 1821, but this title became extinct on the death of the fifth Earl.

Earls of Kingston (1768)

• Edward King, 1st Earl of Kingston (1726-1797)
• Robert King, 2nd Earl of Kingston (1754-1799)
• George King, 3rd Earl of Kingston (1771-1839), elected a Representative Peer in 1807
• Robert Henry King, 4th Earl of Kingston (1796-1867)
• James King, 5th Earl of Kingston (1800-1869)
• Robert King, 6th Earl of Kingston (1804-1869)
• Robert Edward King, 7th Earl of Kingston (1831-1871)
• Henry Ernest Newcomen King-Tenison, 8th Earl of Kingston (1848-1896), elected a Representative Peer in 1887
• Henry Edwyn King-Tenison, 9th Earl of Kingston (1874-1946), elected a Representative Peer in 1917
• Robert Henry Ethelbert King-Tenison, 10th Earl of Kingston (1897-1948)
• Barclay Robert Edwin King-Tenison, 11th Earl of Kingston (1943-2002)
• Robert Charles Henry King-Tenison, 12th Earl of Kingston (b. 1969)