A helmet backpack is provided to carry a helmet. A helmet enclosure combined with strapping form the helmet backpack. A helmet is inserted through an opening of the enclosure and secured with a zipper assembly, buttons and buttonholes, hook-and-loop fasteners, such as VELCRO strips, a drawstring assembly and/or other closure. The strapping is used by a wearer to position and hold the enclosure on his or her back. The strapping may be adjustable in length for greater user comfort. Detachable straps are also allowed for, whereby the helmet backpack strap or straps may be removed or strapped in typical backpack style or worn across the wearer's chest in a bandoleer style. Certain models include pouches which may be located either internal or external to the helmet or to the enclosure. Padding is utilized to increase protection to the helmet and to reduce discomfort to the user. Certain models include a grab handle and/or a hook for handling or storing the enclosure or for attaching the enclosure to a belt or garment.