| Honorific Prefix: | The Right Honourable |
| The Lord Greville | |
| Office: | Lord Lieutenant of Westmeath |
| Term Start: | 1871 |
| Term End: | 1883 |
| Predecessor: | The Marquess of Westmeath |
| Successor: | Sir Benjamin Chapman, Bt |
| Office2: | Member of Parliament for County Longford |
| Term Start2: | 1852 |
| Term End2: | 1869 |
| Alongside2: | Richard Maxwell Fox (1852–1856), Henry George Hughes (1856–1857), Henry White (1857–1861), Luke White (1861–1862), Myles O'Reilly (1862–1869) |
| Predecessor2: | Richard Maxwell Fox Richard More O'Ferrall |
| Successor2: | Myles O'Reilly Reginald Greville-Nugent |
| Term Start3: | 1850 |
| Term End3: | 1850 |
| Predecessor3: | Abel Smith |
| Successor3: | William John Lysley |
| Birth Date: | 17 February 1821 |
| Party: | Liberal |
| Parents: | Algernon Greville Caroline Graham |
| Children: | Algernon Greville-Nugent, 2nd Baron Greville George Greville-Nugent Robert Greville-Nugent Reginald Greville-Nugent Patrick Greville-Nugent Mildred Greville-Nugent |
Colonel Fulke Southwell Greville-Nugent, 1st Baron Greville (17 February 1821 – 25 January 1883), known as Fulke Greville until 1866, was an Irish Liberal politician.
Greville was the second son of Algernon Greville, Esq., of North Lodge in Hertford, and the former Caroline Graham. His mother was the second daughter of Sir Bellingham Graham, 6th Baronet.[1]
He was a member of a junior branch of the Greville family headed by the Earl of Warwick.[2]
Greville sat as Member of Parliament for Longford County as a Liberal from 19 July 1852 until 1869, when he was raised to the Peerage of the United Kingdom as Baron Greville, of Clonyn in the County of Westmeath. He had adopted the surname of Nugent-Greville by Royal Patent in 1866. He subsequently served as Lord Lieutenant of Westmeath from 1871 to 1883.[3]
On 28 April 1840 Lord Greville married Lady Rosa Emily Mary Anne Nugent, the only daughter and heir of George Nugent, 1st Marquess of Westmeath and, his first wife, Lady Emily Cecil (second daughter of James Cecil, 1st Marquess of Salisbury). Together, they had six children:[2]
Lord Greville died on 25 January 1883.