Richard Lovell Edgeworth (31 May 1744 – 13 June 1817) was an Anglo-Irish politician, writer and inventor.
Richard Edgeworth and his family lived in Ireland at his estate at Edgeworthstown, County Longford, where he reclaimed bogs and improved roads. He sat in Grattan's Parliament for St Johnstown (County Longford) from 1798 until the Act of Union in 1801, and advocated Catholic Emancipation and parliamentary reform. He was a founder-member of the Royal Irish Academy. He died in Edgworthstown on 13 June 1817.
Edgeworth had twenty children by four wives, one of them the novelist Maria Edgeworth (1 January 1768 – 22 May 1849, and another the botanist Michael Pakenham Edgeworth (1812–1881)