Sir Thomas Moncreiffe, 7th Baronet (9 January 1822 – 16 August 1879) was a Scottish first-class cricketer and British Army officer. The son of and his wife, Helen Mackay, he was born at Moncreiffe House in Perthshire in January 1822. His father died in November 1830, with Moncreiffe succeeding him as the 8th Baronet of the Moncreiffe baronets. He was educated at Harrow School, after which he joined the Scots Guards. He made his debut in first-class cricket for the Marylebone Cricket Club (MCC) against Cambridge University at Lord's in 1841. He later transferred to the Grenadier Guards and by January 1846, he had been promoted to the rank of lieutenant colonel, while serving in the . In 1848, he appeared twice for the MCC in two first-class matches played against Oxford University and the