Artemy Viktorovich Sevostyanov (Артемий Викторович Севостьянов; born 2 February 1973) is a Kazakhstani male water polo player. He was a member of the Kazakhstan men's national water polo team, playing as a centre back. He was a part of the team at the 2000 Summer Olympics and 2004 Summer Olympics. On club level he played for Sintez Kazan in Russia.