One or more embodiments concerns a stranded tensioning wire severing apparatus for stranded tensioning wires of steel, in particular stranded tensioning wires of prestressed concrete structures such as for example pylons of wind power installations, which is adapted to sever a bundle comprising a plurality of stranded tensioning wires in one working operation.One embodiment proposes that the apparatus has a housing, a cutting body arranged within the housing, and a plurality of passage openings corresponding to the plurality of stranded tensioning wires, which extend through the housing, wherein the passage openings are each penetrated by a slot adapted to receive the cutting body, and the cutting body has one or more cutting edges and is drivable in the housing movably in a cutting direction relative to the passage openings in such a way that the cutting edge or edges completely transit through the passage openings.