Andrej Alehavič Kaścicyn (Belarusian: Андрэй Алегавiч Касціцын; born February 3, 1985), better known as Andrei Kostitsyn, is a Belarusian professional ice hockey forward who currently plays for HC Sochi in the Kontinental Hockey League (KHL). The media have nicknamed him AK-46, a play on his initials (AK) and player number (46) in reference to the Soviet AK-47 rifle. His younger brother Sergei plays for Avangard Omsk.