Ousseynou Ba is a professional footballer from SEN and is currently 31 years old. He is on the books of Başakşehir Futbol Kulübü and wears shirt number 27. His main role on the pitch is Defender. He measures 192cm in height and weighs 84kg. His stronger foot is Right. His estimated market valuation currently stands at 1.2M €.

His latest transfer saw him join Başakşehir Futbol Kulübü from Olympiacos Piraeus via Free on 2024-07-13. The move was reported at 1M €.

Across the Turkish Super League 2025-2026, Ousseynou Ba appeared in 22 matches and averaged 0.4 tackles, 0.8 interceptions, 2.7 clearances, and 0 blocked shots per game.