Ekaterina is a 2014 Russia-1 historical television series starring Marina Aleksandrova as the eventual Russian empress Catherine the Great. The first season tells the story of princess Sophie Friederike Auguste, and her rise to power to become Empress of Russia, following a coup d'état and the assassination of her husband, Peter III. The second season portrays the challenges she faces at home and abroad during the early years of her rule, as she tries to revitalise Russia to become one of the great powers of Europe, and becomes titled "the Great".

The first season premiered on 24 November 2014 on Russia-1, and was released on Amazon in 2017 under the title Ekaterina: The Rise of Catherine the Great. The second season premiered on Russia-1 on 27 February 2017, and was released on Amazon in 2018. The third season premiered on 21 October 2019. The series premiered its fourth and final season on 5 October 2023.