Sir David Brynmor Jones
- 6 August 1921
) was a British barrister, historian and Liberal Member of Parliament.
Jones was born in Swansea
, the son of Revd. Thomas Jones, a Congregationalist minister, and Jane Jones. His younger brothers were John Viriamu Jones
(b. 1856), the scientist, and Leifchild Jones, 1st Baron Rhayader
(b. 1862), the Liberal politician. In September 1858, when he was seven years old, his parents moved to London; where he became a pupil at University College School
. In 1867, when he was sixteen, his mother died; and in 1869 his father left London for health reasons. Afterwards Jones became a student at University College, London
He was called to the bar in 1876 from the Middle Temple
. In 1885 he became a county court judge.
From 1892 to 1895 he was Member of Parliament for Stroud, and from 1895 to 1914 Member of Parliament for Swansea District.
He served on the Welsh Land Commission in 1893 and on the Welsh Church Commission in 1907.
In 1906 he was knighted and in 1912 became a member of the Privy Council.
He published several articles on the legal history of Wales.