The 2023–24 Campionato Sammarinese di Calcio was the 39th season of league competition in San Marino, in which the country's top 15 amateur football teams and the San Marino Academy U22 competed.
The Conference League play-off winners (Tre Penne) and 2023–24 Coppa Titano winners (La Fiorita) qualified for the 2024–25 UEFA Conference League first qualifying round.
Teams placed 2nd-11th qualified for the Conference League play-off, with the winners earning the second and final place in the Conference League first qualifying round.
The two first round winners and teams placed 2nd-7th entered the quarter-finals, held over two legs.
The four quarter-final winners entered the semi-finals, held over two legs.