Koki Otani is a professional footballer from JPN and is currently 38 years old. He is on the books of Giravanz Kitakyushu and wears shirt number 31. His main role on the pitch is Goalkeeper. He measures 186cm in height and weighs 90kg. His stronger foot is Right. His estimated market valuation currently stands at 25K .

His latest transfer saw him join Giravanz Kitakyushu from Hokkaido Consadole Sapporo via on 2024-01-08.

In the Japanese Emperor's Cup 2025, Koki Otani played 1 matches, averaging 0 interceptions, 0 tackles, and 0 clearances per game.