Merlino is a comune in the Province of Lodi in the Italian region Lombardy, located about 25 kilometres east of Milan and about 15 kilometres north of Lodi. As of 31 December 2004, it had a population of 1,360 and an area of 10.9 square kilometres. Merlino borders the following municipalities: Rivolta d'Adda, Settala, Comazzo, Paullo, Zelo Buon Persico, Spino d'Adda.