| Honorific Prefix: | The Right Honourable |
| The Viscount Powerscourt | |
| Honorific Suffix: | PC (I) |
| Office: | Member of Parliament for Boyle |
| Term Start: | 1727 |
| Term End: | 1743 |
| Predecessor: | Henry King Robert Sandford |
| Alongside: | Arthur French |
| Birth Name: | Richard Wingfield |
| Birth Date: | 19 August 1697 |
| Residence: | Powerscourt House |
| Parents: | Edward Wingfield Eleanor Gore |
| Spouse: | |
| Children: | 4 |
| Relations: | Sir Arthur Gore, 1st Baronet (grandfather) |
Richard Wingfield, 1st Viscount Powerscourt PC (I) (19 August 1697 – 21 October 1751) was an Anglo-Irish politician and peer.
Powerscourt was the son of Edward Wingfield, MP for County Sligo, and his wife, Eleanor Gore, a daughter of Sir Arthur Gore, 1st Baronet. He was a descendant of the uncle of Folliott Wingfield, 1st Viscount Powerscourt.[1]
He sat in the Irish House of Commons as the Member of Parliament for Boyle between 1727 and 1743. On 4 February 1743 he was elevated to the Peerage of Ireland as Viscount Powerscourt, of Powerscourt in County Wicklow, and Baron Wingfield, of Wingfield in County Wexford, and he assumed his seat in the Irish House of Lords. In 1746 he was made a member of the Privy Council of Ireland.
Powerscourt was responsible for commissioning the German architect, Richard Cassels, to carry out extensive remodelling work on Powerscourt House between 1731 and 1741.[2]
On 30 August 1721 Anne Usher, a daughter of Christopher Usher, of Usher's Quay, Dublin.[1] After her death, he married Dorothy Beresford Rowley (–1785) on 13 April 1727. His second wife was a daughter of Hercules Rowley, of Summer Hill, and the former Frances Upton (a younger daughter of Arthur Upton, of Castle Upton). Together they had four children, including:[1]
Lord Powerscourt died on 21 October 1751. He was succeeded in his titles by his eldest son, Edward. Edward was in turn succeeded by the first Viscount's second son, Richard.[3]