Sir William Owen, 4th Baronet (1697?–1781), of Orielton, Pembrokeshire, was a Welsh politician who sat in the House of Commons for 52 years from 1722 to 1774.
- Occupation
- politician
- Position held
- member of the 11th Parliament of Great Britain, member of the 6th Parliament of Great Britain, member of the 7th Parliament of Great Britain, member of the 8th Parliament of Great Britain
- Born
- 1697
- Died
- 1781, May 7, 1781
