San Giovanni in Marignano

San Giovanni in Marignano (San Giàn or San Zvan in Marignèn) is a comune (municipality) in the Province of Rimini in the Italian region Emilia-Romagna, located about 130 km southeast of Bologna and about 20 km southeast of Rimini. As of 2021, the municipality counts 9,463 inhabitants.

San Giovanni in Marignano borders the following municipalities: Cattolica, Gradara, Misano Adriatico, Morciano di Romagna, Saludecio, San Clemente, Tavullia. It is one of I Borghi più belli d'Italia ("The most beautiful villages of Italy"). Cattolica Airfield is an abandoned World War II US Air Force airfield in its vicinity.

History
Under the Kingdom of Italy, on 5 December 1895, Cattolica gained municipal autonomy from San Giovanni.

In 1951, 54% of San Giovanni's population was employed in agriculture, falling to 23% by 1971.