Maria Seymour-Conway, Marchioness of Hertford

The Most Honourable The Marchioness of Hertford
Maria Fagnani, 3rd Marchioness of Hertford, miniature by Richard Cosway
Born	Maria Emilia Fagnani 24 August 1771
Died	2 March 1856(1856-03-02) (aged 84)
Spouse	Francis Seymour-Conway, 3rd Marquess of Hertford ​ ​ (m. 1798; died 1842)​
Children	3, including Richard Seymour-Conway, 4th Marquess of Hertford

Maria Emilia Seymour-Conway, Marchioness of Hertford (née Fagnani; 24 August 1771 – 2 March 1856), nicknamed "Mie-Mie", was a British noblewoman of Italian descent.