| 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: | 16th |
| Cup1: | DFB-Pokal |
| Cup1 Result: | Second round |
| Cup2: | UEFA Conference League |
| Cup2 Result: | Knockout phase play-offs |
| League Topscorer: | Marvin Pieringer (4) |
| Season Topscorer: | Marvin Pieringer (5) |
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| Updated: | 19 December 2024 |
| 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] | ||||
| Bayern Munich | Loan | [2] | ||||
| SC Freiburg | Free | [3] | ||||
| SC Paderborn | €730,000 | |||||
| Frans Krätzig | Bayern Munich | Loan | [4] | |||
 Budu Zivzivadze | Karlsruher SC | Undisclosed | [5] |
| 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[6] | [7] |
See main article: 2024–25 Bundesliga.
The league schedule was released on 4 July 2024.[8]
See main article: 2024–25 DFB-Pokal.
See main article: 2024–25 UEFA Conference League.
The draw for the play-off round was held on 5 August 2024.
See main article: 2024–25 UEFA Conference League league phase.
The draw for the league phase was held on 30 August 2024.
See main article: 2024–25 UEFA Conference League knockout phase.
The draw for the knockout phase play-offs was held on 20 December 2024.