| Club: | 1. FC Heidenheim |
| Season: | 2024–25 |
| Ownertitle: | President |
| Owner: | Holger Sanwald |
| Mgrtitle: | Head coach |
| Manager: | Frank Schmidt |
| Stadium: | Voith-Arena |
| League: | Bundesliga |
| League Result: | Pre-season |
| Cup1: | DFB-Pokal |
| Cup1 Result: | First round |
| Cup2: | UEFA Conference League |
| Cup2 Result: | Play-off round |
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| Prevseason: | 2023–24 |
The 2024–25 season is the 18th season in the history of 1. FC Heidenheim as a legally independent club, and the club's second consecutive season in the Bundesliga. In addition to the domestic league, the club is participating in the DFB-Pokal and the UEFA Conference League, their first ever appearance in a major European competition.
| Player | Transferred from | Fee | Date | Source | ||
|---|---|---|---|---|---|---|
| 1. FC Kaiserslautern | Free | [1] | ||||
| SC Freiburg | Free | [2] | ||||
| SC Paderborn | €730,000 |
| Player | Transferred to | Fee | Date | Source | ||
|---|---|---|---|---|---|---|
| Werder Bremen | Loan return | |||||
| Hertha BSC | End of contract | |||||
| Elidon Qenaj | End of contract | |||||
 Nikola Dovedan | Fatih Karagümrük | End of contract | ||||
| Benfica | €10,000,000[3] | [4] |
See main article: 2024–25 Bundesliga.
The match schedule was released on 4 July 2024.[5]
See main article: 2024–25 DFB-Pokal.
See main article: 2024–25 UEFA Conference League.