A wire harness including: a wire having a core wire and an insulating coating that coats an outer periphery of the core wire; and an electromagnetic shield that surrounds an outer periphery of the wire, wherein: the electromagnetic shield has a plurality of split tubes that each have an opening in a horizontal cross-sectional shape thereof, the plurality of split tubes of the electromagnetic shield are combined such that the openings of the plurality of split tubes are fitted to each other, thereby forming a tubular body, a horizontal cross-sectional shape of the tubular body formed by combining the plurality of split tubes is a shape that corresponds to an outer peripheral surface of the core wire, and the plurality of split tubes of the electromagnetic shield are each in direct surface contact with the wire, or indirect surface contact with the wire via another layer.