Sir Thomas Smyth, 2nd Baronet (after 1657 – 20 June 1732) was a soldier of the British Army.
He was the second and youngest, but only surviving son of Sir William Smyth, 1st Baronet, of Redcliff in Buckinghamshire, by his second wife, a daughter of the Master in Chancery Sir Nathaniel Hobart.
[2] Smyth was granted a commission as exempt and captain in the 2nd Troop of Horse Guards on 22 February 1690.
[3] On 1 February 1695 or 1696 he was appointed lieutenant and lieutenant-colonel of the 2nd Troop[3][5][6][7] and his commission was renewed on the accession of Queen Anne.
[3] On 9 March 1702 he was granted brevet rank as colonel of Horse,[5][8] and on 17 April 1702 he was made Quartermaster-General of the forces sent under the Duke of Ormonde to attack Cadiz.