Arthur Kalinovich Stepanyan (, , born on 14 April 1987) is a former Armenian football defender and a referee. He was born in Russia, holds Russian citizenship and played most of his career there.
He played 3 seasons in the Russian Football National League for FC Sokol Saratov and FC Chernomorets Novorossiysk.
Upon retirement as a player, he worked as a referee in the third-tier Russian Professional Football League from 2015 to 2017.