A magnetic closure, particularly for bags, rucksacks and the like, comprising a male element adapted to accommodate a magnet or ferromagnetic element, and a female element; the male element can be associated with a first flap of a bag, rucksack or the like, and the female element is associable with a second flap of the bag, rucksack or the like; the male element comprises an enclosure with a cavity for accommodating the magnet or ferromagnetic element, the enclosure being adapted to mate in a cavity of the female element.