A wiring member includes: a sheet; and a plurality of wire-like transmission members disposed on the sheet, wherein the plurality of wire-like transmission members include at least one first wire-like transmission member fixed to the sheet at a plurality of first positions and at least one second wire-like transmission member fixed to the sheet at a plurality of second positions, and the first positions and the second positions are alternately provided along an extension direction of the wire-like transmission members in a region where the first wire-like transmission member and the second wire-like transmission member are parallelly arranged.