| Honorific Prefix: | The Right Honourable |
| Sir Richard Williams-Bulkeley | |
| Honorific Suffix: | Bt |
| Office: | Member of Parliament for Anglesey |
| Term Start: | 1847 |
| Term End: | 1859 |
| Predecessor: | Hon. William Stanley |
| Successor: | Richard Davies |
| Term Start1: | 1832 |
| Term End1: | 1837 |
| Successor1: | Hon. William Stanley |
| Office2: | Member of Parliament for Flint Boroughs |
| Term Start2: | 1841 |
| Term End2: | 1847 |
| Successor2: | Sir John Hanmer, Bt |
| Office3: | Member of Parliament for Beaumaris |
| Term Start3: | 1831 |
| Term End3: | 1835 |
| Successor3: | Frederick Paget |
| Birth Name: | Richard Bulkeley Williams |
| Education: | Westminster School |
| Alma Mater: | Christ Church, Oxford |
| Party: | Whig Liberal |
| Parents: | Sir Robert Williams, 9th Baronet Anne Lewis |
| Spouse: | |
Sir Richard Bulkeley Williams-Bulkeley, 10th Baronet (23 September 1801 – 28 August 1875) was an English Whig and Liberal Party politician who sat in the House of Commons variously between 1831 and 1868.
Richard Bulkeley Williams was born on 23 September 1801 as the eldest son of Sir Robert Williams, 9th Baronet and his wife Anne Lewis, a daughter of the Rev. Edward Hughes of Kinmel Park, Denb.
He was educated at the Westminster School from 1815 to 1819 before matriculating at Christ Church, Oxford in 1820. On 3 June 1822, he succeeded to the estates of uncle, Thomas James Bulkeley, 7th Viscount Bulkeley and 1st Baron Bulkeley. In 1827 he assumed by Royal licence the additional surname of Bulkeley on succeeding to the estates of his uncle. He owned the Caerau mansion at Cylch-y-Garn.[1] He succeeded his father as 10th Baronet on 1 December 1830.
At the 1831 general election Williams-Bulkeley was elected Member of Parliament (MP) for Beaumaris. In the reformed parliament he was elected at the 1832 general election as MP for Anglesey, and held the seat until 1837. He was elected as MP for Flint Boroughs in 1841 and held the seat until 1847. He then stood again and was elected at Anglesey and held the seat until 1868.[2]
He served as Lord Lieutenant of Caernarvonshire from 7 March 1851 to 14 September 1866.[3]
On 27 May 1828, he married his cousin, Charlotte Mary Hughes, daughter of William Lewis Hughes. She died on 11 May 1829. On 30 August 1830, Williams-Bulkeley married Maria Frances Massey-Stanley (–1889), a daughter of Sir Thomas Stanley-Massey-Stanley, 9th Baronet.[4] Together, they were the parents of:
Williams-Bulkeley died at the age of 73 on 28 August 1875.[6] He was succeeded in the baronetcy by his son Richard.