Hermann Diandaga is a 19-year-old professional football player from FRA. He currently plays for Paris Saint Germain U19, wearing the number 4 shirt. At the international level, he represents France U17. He plays primarily as a Defender.

Throughout the UEFA Youth League 2025-2026, Hermann Diandaga featured in 4 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.