San Martino in Strada (Lodigiano: ) is a comune (municipality) in the Province of Lodi in the Italian region Lombardy, located about southeast of Milan and about southeast of Lodi.
San Martino in Strada borders the following municipalities: Lodi, Corte Palasio, Cavenago d'Adda, Cornegliano Laudense, Massalengo, Ossago Lodigiano.