The neck sock cover for stringed instruments is used while the instrument is not being played. It protects the headstock, neck, tuning pegs, and strings of a stringed instrument, such as a guitar, while at the same time allowing the remaining areas of the instrument to be displayed. In one embodiment, the cover comprises a top portion for covering the headstock and tuning keys of said instrument; a body portion for covering the strings of said instrument, with one or more straps to secure the body portion around the headstock; and an end portion for attaching said cover to the body of said instrument. Another embodiment also has one or more detachable straps connected at one end to a free edge of the top portion of said cover and connected at another end to a free edge of the end portion of said cover. Other embodiments additionally have one or more pockets accommodated within said cover or accommodated on the exterior of the cover. The cover can be made of any suitable material such as fabric or plastic.