Aventis Aventisian (; ; born 17 August 2002) is a professional footballer who plays as a left-back for Super League Greece 2 club Chania. Born in Greece, he is a youth international for Armenia.
On 15 February 2024, Aventisian was loaned to Jarun Zagreb in Croatia.
Born in Greece, Aventisian is of Armenian descent. He is a former youth international for Greece, having played for the Greece U17s. He was called up to the senior Armenia national team in November 2022.