The wiring member includes a flat wiring member and a shape maintaining member. The flat wiring member includes a plurality of wire-like transmission members (for example, insulated wires) and a base member (for example, a sheet member) keeping the plurality of wire-like transmission members in a flat state. The shape maintaining member is provided in at least a part of the flat wiring member to keep at least the part of the flat wiring member in an uneven shape.