Xenia of Tarusa (Russian: Ксения Тарусская) (c. 1246 – 1312), also known as Kseniya Yurievna (Russian: Ксения Юрьевна), (also Ksenia)[1] was a Princess consort of Tver and Grand Princess consort of Vladimir from 1267 to 1271.

[1] During her marriage and the reign of her husband she was unusually influential in the affairs of the state and remained so even after Yaroslav's death in 1271.

Soon after she retired to the women's monastery in Novgorod, yet continued to play an influential role in the affairs of the principality.

She died in 1312 as a nun and was buried in the Transfiguration Cathedral [ru] she founded.

[3] She is revered in the Diocese of Tver: Her memorial day is on the first Sunday after June 29.