Aristomenios Haralampopoulos (; born 20 May 1993) is an Australian professional footballer who plays as a defender for Cumberland United.
Haralampopoulos grew up in Adelaide, South Australia, where he attended Scotch College, Adelaide and University Senior College. As a teenager, he was in the youth academy of Bolton Wanderers and was offered a scholarship by Preston North End. He left Adelaide for Greece for a trial at Iraklis. In 2016 he signed for Greek Football League club Acharnaikos before switching to Apollon Larissa in 2018. As of October 2018, he had returned to Acharnaikos where he was named club captain. He returned to Australia in January 2020 and joined Cumberland United in the South Australian National Premier League.