Richard FitzWilliam, 7th Viscount FitzWilliam of Mount Merrion, Dublin, Ireland, and of FitzWilliam House in the parish of Richmond in Surrey, England, was an Anglo-Irish nobleman in the Peerage of Ireland who was a benefactor and musical antiquarian who founded the Fitzwilliam Museum in Cambridge, England, with a bequest of his library and art collection. He was also a significant urban developer in the City of Dublin. He served as a Member of Parliament for Wilton in Wiltshire, England, from 1790 until his death.
- Occupation
- musicologist, politician, art collector
- Position held
- member of the 1st Parliament of the United Kingdom, member of the 2nd Parliament of the United Kingdom, member of the 17th Parliament of Great Britain, member of the 18th Parliament of Great Britain
