An electrical connector used for a cable including a plurality of wire pairs each including a pair of insulated wires, the electrical connector comprising: a plurality of terminal pairs each including a pair of terminals and to which the wire pairs are attached; a plurality of terminal holding pieces made of insulating material and each holding one of the terminal pairs; an outer shell made of electric conductive material and formed into a cylindrical shape; a fitting part disposed on a front end portion of the outer shell to be fitted to a counter connector; and a shield member (45, 71) disposed in the outer shell and made of electric conductive material, wherein the shield member (45, 71) includes a plurality of terminal separation walls formed in a front portion of the shield member (45, 71) and extend radially from an axial center of the shield member (45, 71), each of the terminal holding pieces is attached between two of the terminal separation walls adjacent to each other, the shield member (45, 71) includes a plurality of wire separation walls or a plurality of wire accommodating grooves formed in a rear portion of the shield member (45, 71), the electrical connector is characterized by: the wire separation walls or the wire accommodating grooves are twisted by a same angle as each other in a same direction as each other around the axial center of the shield member (45, 71), an angle of a twist of each of the wire separation walls or each of the wire accommodating grooves is 60, 90 or 120 degrees, and each of the wire pairs attached to the terminal pairs is disposed between two of the wire separation walls adjacent to each other or in one of the wire accommodating grooves such that one insulated wire and another insulated wire in each of the wire pairs are curved in a same direction as each other along the wire separation walls or the wire accommodating groove. a plurality of terminal pairs each including a pair of terminals and to which the wire pairs are attached; a plurality of terminal holding pieces made of insulating material and each holding one of the terminal pairs; an outer shell made of electric conductive material and formed into a cylindrical shape; a fitting part disposed on a front end portion of the outer shell to be fitted to a counter connector; and a shield member (45, 71) disposed in the outer shell and made of electric conductive material, wherein the shield member (45, 71) includes a plurality of terminal separation walls formed in a front portion of the shield member (45, 71) and extend radially from an axial center of the shield member (45, 71), each of the terminal holding pieces is attached between two of the terminal separation walls adjacent to each other, the shield member (45, 71) includes a plurality of wire separation walls or a plurality of wire accommodating grooves formed in a rear portion of the shield member (45, 71), the electrical connector is characterized by: the wire separation walls or the wire accommodating grooves are twisted by a same angle as each other in a same direction as each other around the axial center of the shield member (45, 71), an angle of a twist of each of the wire separation walls or each of the wire accommodating grooves is 60, 90 or 120 degrees, and each of the wire pairs attached to the terminal pairs is disposed between two of the wire separation walls adjacent to each other or in one of the wire accommodating grooves such that one insulated wire and another insulated wire in each of the wire pairs are curved in a same direction as each other along the wire separation walls or the wire accommodating groove. the wire separation walls or the wire accommodating grooves are twisted by a same angle as each other in a same direction as each other around the axial center of the shield member (45, 71), an angle of a twist of each of the wire separation walls or each of the wire accommodating grooves is 60, 90 or 120 degrees, and each of the wire pairs attached to the terminal pairs is disposed between two of the wire separation walls adjacent to each other or in one of the wire accommodating grooves such that one insulated wire and another insulated wire in each of the wire pairs are curved in a same direction as each other along the wire separation walls or the wire accommodating groove.