Mariko Tanaka is a 34-year-old professional football player from JPN. He currently plays for JEF United Ichihara Chiba Ladies, wearing the number 5 shirt. He plays primarily as a Defender. He stands at 172cm tall and weighs 57kg.

Throughout the Women Empowerment League 2025-2026, Mariko Tanaka featured in 3 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.