Igors Šiškins (born 9 June 1959 in Rēzekne) is a Latvian chimney sweep and ultra-nationalist and the former director of the Gustavs Celmiņš Centre. During the 1990s Šiškins was a member of the Latvian ultra-nationalist movement Pērkonkrusts. He was one of those convicted for bombing the Monument to the Liberators of Soviet Latvia and Riga from the German Fascist Invaders in June 1997.