Sir Robert Smyth, 5th Baronet (10 January 1744 – 12 April 1802) was a British politician and revolutionary who sat in the House of Commons between 1774 and 1790.
He was admitted at Lincoln's Inn on 3 April 1761 and matriculated at Trinity College, Cambridge at Easter 1762.
[1] In the 1774 general election Smyth was returned as Member of Parliament for Cardigan Boroughs but was unseated on petition on 7 December 1775.
He was a member of the British revolutionary club in Paris and a close friend of Thomas Paine.
In 1796 Paine helped him obtain a passport to go to Hamburg to collect remittances from England.