Frederik Heiselberg is a 24-year-old professional football player from DEN. He currently plays for Hillerod Fodbold, wearing the number 9 shirt. He plays primarily as a Forward. His preferred foot is Left. His current market value is estimated at 350K €.

His most recent move was a Free from Aalesund FK to Hillerod Fodbold on 2026-01-29.

In the Danish 1st Division 2025-2026 season, Frederik Heiselberg scored 1 goals and provided 0 assists across 1 appearances, averaging 1 goals per game with 5 shots attempted and 3 on target.