An electrical connector adapted such that blades that hold in place arrays of multiple terminals extending in a direction of connection to counterpart connector components are secured in place by a pair of housing halves split in said direction of connection, thereby forming a single connecting unit and each of the respective paired housing halves can be mated with a counterpart connector component in the above-mentioned direction of connection, wherein: the paired housing halves have interengaging portions in opposed sections of said housing halves the interengaging portions provided in a first housing half are positioned overlappingly with the other interengaging portions provided in the other housing half in the above-mentioned direction of connection, and abutment between the wall surface of the first interengaging portions and the wall surface of the other interengaging portions is made possible in the thickness direction of the above-mentioned blades.