Dmitry Vladimirovich Filosofov (Russian: Дми́трий Влади́мирович Филосо́фов; 7 April [O.S. 26 March] 1872 – 4 August 1940) was a Russian author, essayist, literary critic, religious thinker, newspaper editor and political activist, best known for his role in the influential early 1900s Mir Iskusstva circle and part of quasi-religious Troyebratstvo (The Brotherhood of Three), along with two of his closest friends and spiritual allies, Dmitry Merezhkovsky and Zinaida Gippius. Following the Bolshevik Revolution he emigrated to Poland.