Anna Stepanovna Demidova (26 January 1878 – July 17, 1918) was a lady-in-waiting in the service of Tsarina Alexandra of Russia, who was executed alongside her employer in 1918.
She shared the Romanov family's exile at Tobolsk and Ekaterinburg following the Russian Revolution of 1917 and was executed alongside them on July 17, 1918.
She was canonized as an Orthodox martyr by the Russian Orthodox Church Outside Russia in 1981, but not by the Russian Orthodox Church.
She is remembered for staying with the Romanovs to the end.