Wathanyu Nairatsami is a 19-year-old professional football player from THA. At the international level, he represents Thailand U17. He plays primarily as a Defender. He stands at 178cm tall and weighs 74kg.

Throughout the Thai League 1 2025-2026, Wathanyu Nairatsami featured in 2 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.