| Club: | SpVgg Unterhaching |
| Season: | 2023–24 |
| Chairman: | Manfred Schwabl |
| Mgrtitle: | Head coach |
| Manager: | Marc Unterberger |
| Stadium: | Sportpark Unterhaching |
| League: | 3. Liga |
| League Result: | 9th |
| Cup1: | DFB-Pokal |
| Cup1 Result: | Second round |
| Cup2: | Bavarian Cup |
| Cup2 Result: | Round of 16 |
| League Topscorer: | Patrick Hobsch (13) |
| Season Topscorer: | Patrick Hobsch (15) |
| Prevseason: | 2022–23 |
| Nextseason: | 2024–25 |
The 2023–24 season was SpVgg Unterhaching's 99th season in existence and first one back in the 3. Liga. They also competed in the DFB-Pokal and the Bavarian Cup.
| Player | Transferred from | Fee | Date | Source |
|---|
| Player | Transferred to | Fee | Date | Source | ||
|---|---|---|---|---|---|---|
| SV Sandhausen | Free | [2] | ||||
| Jahn Regensburg | Free | [3] |
See main article: 2023–24 3. Liga.
The league fixtures were unveiled on 7 July 2023.[4]
See main article: 2023–24 DFB-Pokal.