An elongate member assembly having an elongate member, a connecting member provided between one end and another end of the elongate member, and a swaging member that swages and fixes the connecting member to the elongate member, and fixing member connected to the connecting member. The connecting member includes a swaging portion pressed by the swaging member on the elongate member, and a connecting portion connected to the fixing member. The fixing member includes an anchor portion mounted to a mounting object member, and a ring-shaped portion connected to the connecting portion. The connecting portion includes, a rotation permitting portion that permits the ring-shaped portion to move, and a movement limiting portion that limits movement of the ring-shaped portion. The elongate member assembly facilitates the fixing thereof onto the mounting object member.