Fyodor Fyodorovich Komissarzhevsky (Russian: Фёдор Фёдорович Комиссаржевский; 23 May 1882 – 17 April 1954), or Theodore Komisarjevsky, was a Russian, later British, theatrical director and designer. He began his career in Moscow, but had his greatest influence in London. He was noted for groundbreaking productions of plays by Chekhov and Shakespeare.