Kazuki Oiwa is a 37-year-old professional football player from JPN. He currently plays for Renofa Yamaguchi, wearing the number 3 shirt. He plays primarily as a Defender. He stands at 182cm tall and weighs 78kg. His preferred foot is Right. His current market value is estimated at 100K .

His most recent move was a Free from Shonan Bellmare to Renofa Yamaguchi on 2026-01-12.

Throughout the J2/J3 100 Year Vision League 2026, Kazuki Oiwa featured in 4 matches, averaging 1 tackles, 0.5 interceptions, and 2 clearances per game, while blocking 0 shots per game.