Seitaro Yamashita is a 16-year-old professional football player from JPN. He currently plays for Vissel Kobe U16, wearing the number 12 shirt. At the international level, he represents Japan U15. He plays primarily as a Goalkeeper.

In the Shanghai Future Star Cup 2025, Seitaro Yamashita played 5 matches, averaging 0 interceptions, 0 tackles, and 0 clearances per game.