Sir John Aubrey, 6th Baronet

Sir John Aubrey, 6th Baronet (4 June 1739 – 14 March 1826) was a British Tory politician. In 1786, he succeeded to his father's baronetcy.

Baptised in Boarstall in Buckinghamshire on 2 July 1739, he was the son of Sir Thomas Aubrey, 5th Baronet and Martha Carter. Aubrey was educated at Westminster School and at Christ Church, Oxford, where he graduated as a Doctor of Civil Laws in 1763. Aubrey was Lord Commissioner of the Admiralty in 1782 and Lord of the Treasury from 1783 to 1789.

Between 1768 and 1774 and between 1780 and 1784, Aubrey was Member of Parliament (MP) for Wallingford. He was further MP for Aylesbury from 1774 to 1780, for Buckinghamshire from 1784 to 1790 and for Clitheroe from 1790 to 1796. Aubrey was also Member of Parliament for Aldeburgh from 1796 to 1812, for Steyning from 1812 to 1820 and for Horsham from 1820 to 1826, eventually becoming the Father of the House as the longest-serving member. He died in Dorton House in Buckinghamshire and was buried in Boarstall. He was succeeded by his nephew Thomas Aubrey.

On 9 March 1771, he married firstly Mary Colebrooke, daughter of Sir James Colebrooke, 1st Baronet and on 26 May 1783 secondly Martha Catherine Carter, daughter of George Richard Carter. He had a son by his first wife and an illegitimate daughter.