Strada statale 72 di San Marino (SS 72) is an Italian state highway 10.7 kilometres (6.6 mi) long in Italy located in the regions of Emilia-Romagna that connects the province of Rimini and connects the provincial capital with the Republic of San Marino.

The current road, built after the World War II, is 10,600 km long and has a typically flat layout.

The road begins on the outskirts of Rimini and ends at the Dogana state border.

Strada statale 72 was established in 1928 with the following route: "Rimini - San Marino border.

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