Igor Nikolayevich Bezler (Russian: ????? ?????????? ??????; Ukrainian: ???? ??????????? ??????, romanized: Ihor Mykolayovych Byezlyer; born 1965, Simferopol, Crimean Oblast, Ukrainian SSR), known by the pseudonym "Bes" (Russian: ???, English: Imp) is one of the pro-Russian rebel leaders whose group controlled the local police department in Horlivka.
He was a prominent commander in the early phases of the War in the Donbass and the 2014 Crimean crisis.
In 2014 he went into hiding and as of 2016 issued statements denouncing the Russian-backed separatist groups.
In November 2019 Bellingcat claimed that Bezler, with a fake Russian passport issued to the name of Igor Nikoalevich Beregovoy (????? ?????????? ?????????), lives in Russian annexed Crimea since October 2014.