Charles Lennox, 2nd Duke of Richmond, 2nd Duke of Lennox, 2nd Duke of Aubigny, (18 May 1701 – 8 August 1750) was a British nobleman, peer, and politician.
He was the son of Charles Lennox, 1st Duke of Richmond, an illegitimate son of King Charles II.
He held a number of posts in connection with his high office but is best remembered for his patronage of cricket.
He has been described as the most important of the sport's early patrons and did much to help its evolution from village cricket to first-class cricket.