Porta Lodovica was a city gate of the Spanish walls of Milan, Italy, named after Ludovico Sforza. Today, the name refers to the district (quartiere) of Milan where the gate used to be, which is part of the Zone 5 administrative division. The gate was demolished at the end of the 19th century; plans were made to rebuild it inside the Parco di Monza city park in Monza, but they were not implemented.

A "Porta Lodovica", roughly facing the same direction as that of the Spanish walls of Milan, was already part of the city's Medieval walls. It was located by the postern of Saint Euphemia. The gate was named after Ludovico Sforza because he had the idea of enlarging the former "Porta di Sant'Eufemia" to facilitate access to the Santa Maria presso San Celso sanctuary, which was visited by many pilgrims. An inscription on the medieval Porta Lodovica read: "Ludovico Maria Sforza perché quel religioso acorrere dei suoi cittadini alla casa di Maria, madre di Dio fosse più comodo e breve questa porta, Lodovica dal suo nome con la sposa Beatrice aperse"