San Fermo della Battaglia is a (municipality) in the Province of Como in the Italian region of Lombardy, located about north of Milan and about southwest of Como. As of 31 December 2004, it had a population of 4,255 and an area of .
With meaning "of the battle", the town is named after the battle which took place there between Garibaldi's Hunters of the Alps () and Austrian militaries in 1859.
San Fermo della Battaglia borders the following municipalities: Como, Montano Lucino.
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Famous visitors from around the world are reported to reside here but prefer to remain unknown. It is also the home of film director .