Aleksa Koloni is a 21-year-old professional football player from SRB. He plays primarily as a Defender. His current market value is estimated at 75K €.

His most recent move was a from FK Čukarički to GFK Sloven Ruma on 2025-07-16.

Throughout the Serbian Mozzart Bet Prva Liga 2024-2025, Aleksa Koloni featured in 33 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.