San Marino is the Italian form of the name of Saint Marinus.

• San Marino, a small country in Europe, surrounded by Italy
• San Marino, San Marino, the capital city of that country
• San Marino, California, a city in the United States
• At least 4 towns in Italy are named San Marino, and at least one more is named San Marino... (San Marino d'Urbino in the Marche). A number of churches are also named after the saint.

See also: Marino