Deniz Donmezer is a professional footballer from TUR and is currently 18 years old. He is on the books of Kayserispor and wears shirt number 27. His main role on the pitch is Goalkeeper. He measures 190cm in height and weighs 83kg. His estimated market valuation currently stands at 1000K €.

His latest transfer saw him join Kayserispor from Adana Demirspor via on 2025-09-12.

In the Turkish Super League 2025-2026, Deniz Donmezer played 5 matches, averaging 0 interceptions, 0 tackles, and 0 clearances per game.