Sir Richard Williams (c. 1510 – 20 October 1544), also known as Sir Richard Cromwell, was a Welsh soldier and courtier in the reign of Henry VIII who knighted him on 2 May 1540. He was a maternal nephew of Thomas Cromwell, profiting from the Dissolution of the Monasteries in which he took an active part. He was the patrilineal great-grandfather of Oliver Cromwell.