Hon. Penelope Ligonier, styled Viscountess Ligonier from 1766–1772, was an English aristocrat and socialite. She is most remembered for her affair with the Italian poet Count Alfieri, which led him to a duel with her husband Edward, Viscount Ligonier, followed by an adultery trial.
- Born
- February 23, 1749, 1749
- Died
- 1827
