Cologno al Serio (Bergamasque: Cològn söl Sère) is a comune (municipality) in the Province of Bergamo in the Italian region of Lombardy, located about 45km northeast of Milan and about 10km south of Bergamo. Cologno al Serio borders the following municipalities: Brignano Gera d'Adda, Ghisalba, Martinengo, Morengo, Romano di Lombardia, Spirano, Urgnano.
