Koki Otani is a 38-year-old professional football player from JPN. He currently plays for Giravanz Kitakyushu, wearing the number 31 shirt. He plays primarily as a Goalkeeper. He stands at 186cm tall and weighs 90kg. His preferred foot is Right. His current market value is estimated at 25K .

His most recent move was a from Hokkaido Consadole Sapporo to Giravanz Kitakyushu on 2024-01-08.

In the YBC Levain Cup 2025, Koki Otani played 1 matches, averaging 0 interceptions, 0 tackles, and 0 clearances per game.