Ekaterina Vorontsova
Ekaterina Vorontsova is the name of the following people:
- Ekaterina Alexejewna Voronzowa (1761–1784), Russian lady-in-waiting, pianist and composer
- Ekaterina Romanovna Voronzowa-Daschkowa (1743-1810), Russian nobleman and politician
- Ekaterina Semjonovna Voronzowa (1783-1856), Russian-British aristocrat and lady-in-waiting
- Ekaterina Vladimirovna Voronzowa (* 1983), Russian cross-country skier