Ko Watahiki is a professional footballer from JPN and is currently 29 years old. He is on the books of SC Sagamihara and wears shirt number 2. His main role on the pitch is Defender. He measures 171cm in height and weighs 70kg. His estimated market valuation currently stands at 100K .

His latest transfer saw him join SC Sagamihara from Tegevajaro Miyazaki via on 2023-01-09.

Across the J2/J3 100 Year Vision League 2026, Ko Watahiki appeared in 3 matches and averaged 0.3 tackles, 0 interceptions, 0 clearances, and 0 blocked shots per game.