Sir Thomas Mostyn, 6th Baronet

Sir Thomas Mostyn, 6th Baronet (20 October 1776 – 17 April 1831) of Mostyn Hall, Flintshire and Gloddaeth Hall, Caernarvonshire, was a Welsh Member of Parliament.

[1] He was the only son of Sir Roger Mostyn, 5th Baronet and educated at Westminster School and Christ Church, Oxford.

He died unmarried in 1831 and the baronetcy became extinct.

His main estates passed to his sister Elizabeth and her husband, Sir Edward Pryce Lloyd, who was created Baron Mostyn later that year.

The Baron's son adopted the additional name of Mostyn.