Tōko Koga is a 21-year-old professional football player from JPN. He currently plays for Tottenham Hotspur Women, wearing the number 32 shirt. At the international level, he represents Japan Women. He plays primarily as a Defender. He stands at 173cm tall and weighs 68kg.

Throughout the English FA Women's Super League 2025-2026, Tōko Koga featured in 16 matches, averaging 1.5 tackles, 0.8 interceptions, and 3.8 clearances per game, while blocking 0.1 shots per game.