Ayumu Seko is a 26-year-old professional football player from JPN. He currently plays for Havre Athletic Club, wearing the number 15 shirt. At the international level, he represents Japan. He plays primarily as a Defender. He stands at 183cm tall and weighs 72kg. His preferred foot is Right. His current market value is estimated at 3M €.

His most recent move was a from Grasshopper to Havre Athletic Club on 2025-07-22.

Throughout the Ligue 1 2025-2026, Ayumu Seko featured in 21 matches, averaging 1.7 tackles, 1 interceptions, and 3.5 clearances per game, while blocking 0 shots per game.