David Lloyd Jones, Lord Lloyd-Jones, PC, FLSW (born 13 January 1952) is a British judge and legal scholar.

On 3 October 2005, he was appointed as a High Court judge,[7] and was assigned to the Queen's Bench Division.

He served as presiding judge on the Wales and Chester Circuit and chairman of the Lord Chancellor's Standing Committee on the Welsh Language from 2008 to 2011.

[9] On 2 October 2017 Lloyd Jones was appointed a Justice of the Supreme Court of the United Kingdom, where he chose the judicial courtesy title of Lord Lloyd-Jones.

[11] On 17 August 2022, after the mandatory retirement age changed to 75, it was announced that Lloyd-Jones had been reappointed to the Supreme Court.