Oatnasio Da Silva Guterres is a 20-year-old professional football player from IOA. At the international level, he represents Timor Leste U23. He plays primarily as a Defender.

Throughout the AFF U23Youth Championship 2025, Oatnasio Da Silva Guterres featured in 2 matches, averaging 0.5 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.