Frederik Heiselberg is a professional footballer from DEN and is currently 24 years old. He is on the books of Hillerod Fodbold and wears shirt number 9. His main role on the pitch is Forward. His stronger foot is Left. His estimated market valuation currently stands at 350K €.

His latest transfer saw him join Hillerod Fodbold from Aalesund FK via Free on 2026-01-30.

During the Danish 1st Division 2025-2026 campaign, Frederik Heiselberg made 1 appearances, scoring 1 goals and adding 0 assists. He averaged 1 goals per match from 5 shots, with 3 on target.