Anna Vasilchikova (Анна Васильчикова) was Tsaritsa of the Tsardom of Russia and was the fifth spouse of Ivan the Terrible (Иван Грозный).
[1] Very little is known of her background.
She married Ivan in January 1575 without the blessing of the Ecclesiastical Council of the Russian Orthodox Church.
[1] She was repudiated by her husband and made a nun in a monastery.
[2] The date of her death is uncertain, having been variously described as occurring in 1576–77.