Pyotr Alexeyevich Bessonov or (in the pre-1917 spelling) Bezsonov (Пётр Алексе́евич Бессо́нов; 1828–1898) was a leading Russian folklorist who collected and published many East Slavic and South Slavic folk songs. Having received an honorary doctor's diploma in Slavonic philology from Kazan University, he became professor of Slavic languages at the University of Kharkov in 1879, remaining in the position till his death. He published: