Koki Arita is a professional footballer from JPN and is currently 35 years old. He is on the books of Reinmeer Aomori FC and wears shirt number 13. His main role on the pitch is Forward. He measures 180cm in height and weighs 80kg. His stronger foot is Right. His estimated market valuation currently stands at 100K .

His latest transfer saw him join Reinmeer Aomori FC from Kagoshima United via on 2025-01-20.

During the Japanese Emperor's Cup 2025 campaign, Koki Arita made 2 appearances, scoring 0 goals and adding 0 assists. He averaged 0 goals per match from 0 shots, with 0 on target.