Sir Thomas Widdrington SL (died 13 May 1664) was an English judge and politician who sat in the House of Commons at various times between 1640 and 1664.
In 1651 he was chosen as a member of the Council of State, although he had declined to have any share in the trial of the king.
In 1656 he was elected MP for Northumberland in the Second Protectorate Parliament and was chosen as Speaker in September 1656, and in June 1658, he was appointed Lord Chief Baron of the Exchequer.
In 1659 and again in 1660, he was a member of the Council of State, and on three occasions he was one of the Commissioners of the Great Seal.
[2] Widdrington founded a school at Stamfordham, Northumberland, He wrote Analecta Eboracensia; some Remaynes of the city of York which was not published until 1877, when it was edited with introduction and notes by the Rev.