| Club: | Union Berlin |
| Season: | 2022–23 |
| Chrtitle: | President |
| Chairman: | Dirk Zingler |
| Mgrtitle: | Head coach |
| Manager: | Urs Fischer |
| Stadium: | Stadion An der Alten Försterei |
| League: | Bundesliga |
| League Result: | 4th |
| Cup1: | DFB-Pokal |
| Cup1 Result: | Quarter-finals |
| Cup2: | UEFA Europa League |
| Cup2 Result: | Round of 16 |
| League Topscorer: | Sheraldo Becker (11) |
| Season Topscorer: | Sheraldo Becker (12) |
| Largest Win: | 6–1 vs Schalke 04 |
| Largest Loss: | 0–5 vs Bayer Leverkusen |
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| Prevseason: | 2021–22 |
| Nextseason: | 2023–24 |
The 2022–23 season was the 57th in the history of 1. FC Union Berlin and their fourth consecutive season in the top flight. The club participated in the Bundesliga, the DFB-Pokal, and the UEFA Europa League.
| scope=col | Player | Transferred from | scope=col; style="width: 65px;" | Fee | scope=col | Date | scope=col | Source | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 32 | VfL Bochum | Free | [1] | |||||||
| 19 | SC Freiburg | Free | [2] | |||||||
| 37 | Bayer Leverkusen | Loan | [3] | |||||||
| 26 | VfL Wolfsburg | Undisclosed | [4] | |||||||
| 18 | Celtic | €8,500,000 | ||||||||
| 20 | Ferencváros | €4,100,000 | [5] |
| scope=col | Player | Transferred to | scope=col; style="width: 65px;" | Fee | scope=col | Date | scope=col | Source | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 14 | Nottingham Forest | €17,000,000 | [6] | |||||||
| 21 | 1899 Hoffenheim | Free | [7] | |||||||
| 33 | VfL Bochum | Loan | [8] | |||||||
| 6 | Borussia Dortmund | €5,000,000 | [9] | |||||||
| 24 | VfB Stuttgart | €1,000,000 | [10] |
See main article: 2022–23 Bundesliga.
The league fixtures were announced on 17 June 2022.[11]
See main article: 2022–23 DFB-Pokal.
See main article: 2022–23 UEFA Europa League.
The draw for the group stage was held on 26 August 2022.
See main article: 2022–23 UEFA Europa League knockout phase.
The draw for the knockout round play-offs was held on 7 November 2022.
The draw for the round of 16 was held on 24 February 2023.
|-! colspan=14 style=background:#dcdcdc; text-align:center| Goalkeepers|-! colspan=14 style=background:#dcdcdc; text-align:center| Defenders|-! colspan=14 style=background:#dcdcdc; text-align:center| Midfielders|-! colspan=14 style=background:#dcdcdc; text-align:center| Forwards|-! colspan=14 style=background:#dcdcdc; text-align:center| Players transferred out during the season