Provided is a connector including: a pin group having contact pins aligned in a predetermined direction; an alignment member formed extending in the predetermined direction and having an alignment groove at an end in a width direction orthogonal to the predetermined direction, the alignment groove being for aligning the contact pins; and a conductive member formed extending in the predetermined direction, coupled to the alignment member, and electrically connected to the contact pins used for grounding. The alignment member includes any one of a first protrusion and a first hole configured to accommodate the first protrusion in a center area in the predetermined direction, the conductive member includes the other of the first protrusion and the first hole in the center area in the predetermined direction, and the alignment member and the conductive member are coupled to each other by the first protrusion being secured in the first hole.