Baron Farrer, of Abinger in the County of Surrey, was a title in the Peerage of the United Kingdom.[1] It was created on 22 June 1893 for the statistician and civil servant Sir Thomas Farrer, 1st Baronet. He had already been created a baronet on 22 October 1883.[2] The titles became extinct on the death of the fifth Baron on 16 December 1964.