Richard Kingsmill (c. 1528 – 24 September 1600), of Highclere, Hampshire, was an English politician.

He was the son of Sir John Kingsmill (c. 1494 – 11 August 1556), Sheriff of Hampshire in 1539. His brother Sir William Kingsmill (c. 1526 – 11 December 1592) was Sheriff of Hampshire in 1563.

He was a Member (MP) of the Parliament of England for Calne in 1559, Heytesbury in 1563, and Hampshire in 1584 and 1586.^[1]

By his daughter Constance Kingsmill, he was the grandfather of Sir Thomas Lucy.