2018–19 Campionato Sammarinese di Calcio

The 2018–19 Campionato Sammarinese di Calcio was the 34th season since its establishment.

It is the highest level in San Marino, in which the country's top 15 amateur football clubs played.

The season began on 21 September 2018 and concluded with the play-off final on 25 May 2019.

From group 2, the first and second-placed clubs advanced to the final stage.

Tre Penne qualified for 2019–20 Champions League preliminary round and La Fiorita qualified for 2019–20 Europa League preliminary round.