Sir Thomas Parker, PC (1695–1784) was an English barrister and judge, Privy Counsellor and Lord Chief Baron of the Exchequer.
He was a relative of Thomas Parker, 1st Earl of Macclesfield the Lord Chancellor, came from a Staffordshire family, and was born about 1695.
Educated at Lichfield Grammar School, Parker entered the office of a London solicitor, Charles Salkeld.
Here, though Yorke as Lord Hardwicke tried to get him the post of Chief Justice of the Common Pleas, he remained for a longer period than any of his predecessors.
He died at South Weald, Essex, on 29 December 1784, and was buried in the family vault at Park Hall, Staffordshire.