Bohdan Dedyckiy (1827–1908) was a Ukrainian Muscovite writer, poet and journalist from Galicia.

He promoted the view that there is only one Russian language, with two pronunciations - Russian and Ukrainian, and denied the existence of a separate Ukrainian language.

He published in iazychie, in the same dialect, he published an anonymous brochure in 1866 in Lviv: "W odin czas nauczitsja małorusinu po wełykoruski".

He was of the opinion that in this way the knowledge of Russian literature[1] would become popular among the Galician Rusyns (Ukrainians).

Bohdan Dedyckiy is buried at the Lychakiv Cemetery in Lviv, in the Russian journalists Bed of Honor.