Baron Wrenbury, of Old Castle, Dallington in the County of Sussex, is a title in the Peerage of the United Kingdom.
[1] It was created in 1915 for the barrister and judge Sir Henry Buckley.
As of 2014[update] the title is held by his great-grandson, the fourth Baron, who succeeded his father in 2014.
Sir Denys Buckley, younger son of the first Baron, was also a Judge of the High Court of Justice and Lord Justice of Appeal.
The heir presumptive is the present holder's second cousin Arthur Burton Buckley (b.