| The Lord Warrington of Clyffe | |
| Office: | Lord Justice of Appeal |
| Office1: | Justice of the High Court |
| Birth Name: | Thomas Rolls Warrington |
| Honorific Prefix: | The Right Honourable |
| Honorific Suffix: | PC |
| Successor1: | Sir Robert Younger |
Thomas Rolls Warrington, 1st Baron Warrington of Clyffe, PC (29 May 1851 – 26 October 1937), known as Sir Thomas Warrington between 1904 and 1926, was a British lawyer and judge.
Warrington was called to the Bar, Lincoln's Inn, in 1875, and after acquiring a large practice, became a Queen's Counsel in 1895. In 1904 he was appointed a judge of the Chancery Division of the High Court of Justice and knighted. In 1915 he became a Lord Justice of Appeal and sworn of the Privy Council, which entitled him to sit on the Judicial Committee of the Privy Council. On his retirement in 1926 he was elevated to the peerage as Baron Warrington of Clyffe, of Market Lavington in the County of Wiltshire. He continued to sit on the Judicial Committee after his retirement.
Lord Warrington of Clyffe died in October 1937, aged 86, when the barony became extinct.