Amelia Byron, Baroness Conyers, 12th Baroness Darcy de Knayth, 9th Baroness Conyers, 5th Countess of Mértola, known as the Marchioness of Carmarthen from 1773–9, was a British peer and a Portuguese countess. She is best known for eloping with John "Mad Jack" Byron, father of Lord Byron.
- Occupation
- poet, writer, aristocrat
- Citizenship
- Kingdom of Great Britain
- Born
- October 12, 1754
- Died
- January 27, 1784
