| Club: | Jablonec |
| Season: | 2023–24 |
| Manager: | Radoslav Látal |
| Stadium: | Stadion Střelnice |
| League: | Czech First League |
| League Result: | 11th |
| Cup1: | Czech Cup |
| Cup1 Result: | Quarter-finals |
| League Topscorer: | Jan Chramosta (8) |
| Season Topscorer: | Jan Chramosta (10) |
| Pattern La1: | _jablonec2021h |
| Pattern B1: | _jablonec2021h |
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| Pattern So1: | _jablonec2021h |
| Leftarm1: | FFFFFF |
| Body1: | 0B6121 |
| Rightarm1: | FFFFFF |
| Shorts1: | FFFFFF |
| Socks1: | 0B6121 |
| Pattern La2: | _jablonec2324a |
| Pattern B2: | _jablonec2324a |
| Pattern Ra2: | __jablonec2324a |
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| Leftarm2: | 000000 |
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| Prevseason: | 2022–23 |
| Nextseason: | 2024–25 |
The 2023–24 season was Fotbalový Klub Jablonec's 79th season in existence and 30th consecutive in the Czech First League. In addition to the domestic league, Jablonec participated in that season's editions of the Czech Cup.
.[1]
| Player | Transferred from | Fee | Date | Source |
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| Player | Transferred to | Fee | Date | Source |
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See main article: 2023–24 Czech First League.
The league fixtures were unveiled on 21 June 2023.[2]
See main article: 2023–24 Czech Cup.