The 2023–24 Montenegrin First League (also known as 1.CFL) was the 18th season of the first tier association football in the country of Montenegro.
The eighth and ninth-placed teams (Jedinstvo and Mladost DG) qualified for the Montenegrin First League play-off, with Jedinstvo winning and retaining their place in the league, and Mladost DG losing and being relegated to the 2024–25 Montenegrin Second League alongside the bottom-placed team (Rudar).
Note: Flags indicate national team as has been defined under FIFA eligibility rules.
Clubs were scheduled to play each other four times for a total of 36 matches each.
The eighth and ninth-placed teams (Jedinstvo and Mladost DG) each faced the third and second-placed teams from the 2023–24 Montenegrin Second League (Podgorica and Otrant-Olympic) in two-legged ties for the final two places in the 2024–25 Montenegrin First League.