Paul Koller is a professional footballer from AUT and is currently 25 years old. He is on the books of Sturm Graz and wears shirt number 30. At international level, he features for Austria U21. His main role on the pitch is Defender. He measures 186cm in height and weighs 81kg. His stronger foot is Left. His estimated market valuation currently stands at 1.5M €.

His latest transfer saw him join Sturm Graz from Rheindorf Altach via Free on 2026-01-30.

Across the Austrian Bundesliga 2025-2026, Paul Koller appeared in 21 matches and averaged 0.9 tackles, 1.3 interceptions, 4.9 clearances, and 0.2 blocked shots per game.