Sergey Levonovich Kochkanyan (; born 5 May 2003) is an Armenian footballer who plays as a defender. Born in Russia, he played for the Armenia U21s.
He made his debut in the Russian Premier League for FC Rostov on 19 June 2020 in a game against PFC Sochi. FC Rostov was forced to field their under-18 squad in that game, as their main squad was quarantined after six players tested positive for COVID-19.