Catherine Herbert, Countess of Pembroke

The Right Honourable The Countess of Pembroke and Montgomery
Portrait of Lady Pembroke, by Sir Henry Raeburn, c. 1810s
Born	Countess Yekaterina Semyonovna Vorontsova (1783-10-24)24 October 1783 Saint Petersburg, Russian Empire
Died	27 March 1856(1856-03-27) (aged 72)
Spouse	George Herbert, 11th Earl of Pembroke ​ ​ (m. 1808; died 1827)​
Children	Elizabeth Meade, Countess of Clanwilliam Sidney Herbert, 1st Baron Herbert of Lea Mary Brudenell-Bruce, Marchioness of Ailesbury Catherine Murray, Countess of Dunmore Georgiana Petty-Fitzmaurice, Marchioness of Lansdowne Emma Vesey, Viscountess de Vesci
Parent(s)	Semyon Romanovich Vorontsov (father) Ekaterina Alekseevna Seniavina (mother)
Relatives	Prince Mikhail Semyonovich Vorontsov (brother)

Catherine Herbert, Countess of Pembroke and Montgomery (born Yekaterina Semyonovna Vorontsova; Russian: Екатерина Семёновна Воронцова; 24 October 1783 – 27 March 1856), was a Russian noblewoman who married the 11th Earl of Pembroke.