Nikolai Aleksandrovich Dergachyov (; born 24 May 1994) is a former association football player from Russia.
He made his debut in the Russian Second Division for FC Saturn-2 Moscow Oblast on 24 May 2011 in a game against FC Istra.
He made his debut for the senior squad of PFC CSKA Moscow on 24 September 2014 in the Russian Cup game against FC Khimik Dzerzhinsk.
He made his Russian Football National League debut for FC Sokol Saratov on 11 July 2016 in a game against FC Zenit-2 Saint Petersburg.