Princess Elisabeth of Hesse and by Rhine (1864–1918)

German princess, Russian Grand Duchess, and canonized Holy Martyr; elder sister of Alexandra Feodorovna

Elizabeth of Hesse and by Rhine (1 November 1864–18 July 1918) was a daughter of Princess Alice of the United Kingdom. She became the wife of Grand Duke Sergei of Russia who was killed with a bomb in 1905. She was killed with her sister Alexandra Feodorovna by Bolsheviks on 18 July 1918.