An electrical connector comprising a female terminal and a housing accommodating the female terminal therein, the female terminal comprising: a first female terminal configured to be brought into electrical contact with a first male terminal, the first female terminal being provided with a terminal main body in which a receiving port for the first male terminal to be inserted into is opened toward one end of the terminal main body, and a receiving cavity for accommodating the first male terminal inserted through the receiving port; a second female terminal configured to be brought into electrical contact with a second male terminal, the second female terminal being provided with a terminal main body in which a receiving port for the second male terminal to be inserted into is opened toward one end of the terminal main body, and a receiving cavity for accommodating the second male terminal inserted through the receiving port; and an elastic connecting piece connecting the first female terminal and the second female terminal, the connecting piece comprising first and second columnar portions (21, 22) and a beam connecting the distal ends of the columnar portions (21, 22) to each other, the first columnar portion being connected integrally with the other end of the first female terminal, and extending in the directions of insertion and extraction, and the second columnar portion being integrally connected to the other end of the second female terminal, and extending in the directions of insertion and extraction, wherein the elastic connecting piece allows mutually independent displacements of the first female terminal and the second female terminal in directions of insertion and extraction of the male terminals (3, 4), the first female terminal being restrained from being displaced by being fixed to the housing, and the second female terminal is allowed to be displaced in the directions of insertion and extraction inside the housing, characterized in that the beam is formed in an S shape; and the receiving port of the first female terminal and the receiving port of the second female terminal face in the same direction. a first female terminal configured to be brought into electrical contact with a first male terminal, the first female terminal being provided with a terminal main body in which a receiving port for the first male terminal to be inserted into is opened toward one end of the terminal main body, and a receiving cavity for accommodating the first male terminal inserted through the receiving port; a second female terminal configured to be brought into electrical contact with a second male terminal, the second female terminal being provided with a terminal main body in which a receiving port for the second male terminal to be inserted into is opened toward one end of the terminal main body, and a receiving cavity for accommodating the second male terminal inserted through the receiving port; and an elastic connecting piece connecting the first female terminal and the second female terminal, the connecting piece comprising first and second columnar portions (21, 22) and a beam connecting the distal ends of the columnar portions (21, 22) to each other, the first columnar portion being connected integrally with the other end of the first female terminal, and extending in the directions of insertion and extraction, and the second columnar portion being integrally connected to the other end of the second female terminal, and extending in the directions of insertion and extraction, wherein the elastic connecting piece allows mutually independent displacements of the first female terminal and the second female terminal in directions of insertion and extraction of the male terminals (3, 4), the first female terminal being restrained from being displaced by being fixed to the housing, and the second female terminal is allowed to be displaced in the directions of insertion and extraction inside the housing, characterized in that the beam is formed in an S shape; and the receiving port of the first female terminal and the receiving port of the second female terminal face in the same direction.