Princess Ekaterina Alexandrovna Yurieva (September 9, 1878 - December 22, 1959) was the daughter of Emperor Alexander II of Russia and his mistress, later wife, Princess Ekaterina Dolgorukova. In the family, she was called Katya. In 1880, she became a legitimate daughter after her parents' marriage.

After her father's assassination in 1881, Ekaterina was raised by her mother in France. In 1901, she married, had two sons, but became a widow in 1910.

During World War I, Ekaterina Alexandrovna entered into a second marriage in Russia. She endured the hardships of the Civil War. In the 1920s, she became a professional singer. In 1932, she moved to England on Hayling Island, where she passed away in 1959. Her grave was restored in 2016.