The Forty-first, (Russian: Сорок первый, romanized: Sorok pervyy) may refer to
- The Forty-First (novel), a novel by Boris Lavrenyov
- The Forty-First (1927 film), a film adaptation of the novel by Yakov Protazanov
- The Forty-First (1956 film), a film adaptation of the novel by Grigori Chukhrai