钉盔，是一种在19至20世纪广泛被德国军人、警察及消防员采用的头盔。钉盔被认为是普鲁士、德意志的特色，经常被人和普鲁士陆军、德意志陆军联系在一起，但亦对其他西方国家的钢盔设计影响深远。

The Pickelhaube (plural Pickelhauben; from the German Pickel, "point" or "pickaxe", and Haube, "bonnet", a general word for "headgear"), also Pickelhelm, was a spiked helmet worn in the nineteenth and twentieth centuries by German military, firefighters, and police. Although typically associated with the Prussian army, the helmet was widely imitated by other armies during this period.