Taisei Ishii is a 23-year-old professional football player from JPN. He currently plays for Nara Club, wearing the number 36 shirt. He plays primarily as a Defender. He stands at 189cm tall and weighs 73kg. His current market value is estimated at 50K .

His most recent move was a Loan from Nara Club to FC Tiamo Hirakata on 2026-06-30.

Throughout the J2/J3 100 Year Vision League 2026, Taisei Ishii featured in 4 matches, averaging 2.5 tackles, 1.8 interceptions, and 5 clearances per game, while blocking 0.3 shots per game.