| Club: | 1. FC Union Berlin |
| Season: | 2024–25 |
| Chrtitle: | President |
| Chairman: | Dirk Zingler |
| Mgrtitle: | Head coach |
| Manager: | Bo Svensson |
| Stadium: | Stadion An der Alten Försterei |
| League: | Bundesliga |
| League Result: | Pre-season |
| Cup1: | DFB-Pokal |
| Cup1 Result: | First round |
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| Prevseason: | 2023–24 |
| Nextseason: | 2025–26 |
The 2024–25 season is the 119th season in the history of 1. FC Union Berlin, and the club's sixth consecutive season in the Bundesliga. In addition to the domestic league, the club is participating in the DFB-Pokal.
| Player | Transferred from | Fee | Date | Source | ||
|---|---|---|---|---|---|---|
| Tim Skarke | Darmstadt 98 | Loan return | ||||
| 1. FC Kaiserslautern | Loan return | |||||
| Wehen Wiesbaden | €1,000,000 | [1] | ||||
| Rapid Wien | €2,500,000[2] | [3] | ||||
| Hamburger SV | €6,000,000 | [4] | ||||
| SV Sandhausen | Undisclosed | [5] | ||||
| 1. FC Nürnberg | Free | [6] | ||||
| Borussia Dortmund | €5,000,000 | [7] |
| Player | Transferred to | Fee | Date | Source | ||
|---|---|---|---|---|---|---|
| VfB Stuttgart | €5,000,000 | |||||
| Genoa | €4,000,000 | |||||
| 1. FC Nürnberg | End of contract | [8] | ||||
| Sønderjyske | End of contract | |||||
| Leeds United | Loan return | |||||
| Eintracht Braunschweig | Loan | [9] | ||||
| FC Tokyo | ||||||
 | Al-Wakrah | Undisclosed | [10] | |||
 | 1. FC Magdeburg | Loan | ||||
| Holstein Kiel | Undisclosed | [11] | ||||
| Espanyol | Loan | [12] |
The team began training on 1 July. Additionally, the team scheduled a week-long training retreat in the town of Längenfeld, Austria from 13 to 19 July.[13]
See main article: 2024–25 Bundesliga.
The match schedule was released on 4 July 2024.[14]
See main article: 2024–25 DFB-Pokal.