Robert Nisbet Bain
- Date of birth: January 01, 1854
- Died: January 01, 1909
- Born: in The United Kingdom.
- Description: R. Nisbet Bain was a British historian, folklorist, and translator. He wrote extensively on early modern Slavic and Scandinavian history, and translated collections of folk and fairy tales from Cossack, Finnish, Hungarian, and Russian into English. His important collections include Russian Fairy Tales (1892), Cossack Fairy Tales and Folk Tales (1894), Turkish Fairy Tales and Folk Tales (1896), Tales from Tolstoi (1901), and Tales from Gorky (1902).