Tōko Koga is a professional footballer from JPN and is currently 21 years old. He is on the books of Tottenham Hotspur Women and wears shirt number 32. At international level, he features for Japan Women. His main role on the pitch is Defender. He measures 173cm in height and weighs 68kg.

Across the English FA Women's Super League 2025-2026, Tōko Koga appeared in 16 matches and averaged 1.5 tackles, 0.8 interceptions, 3.8 clearances, and 0.1 blocked shots per game.