The application provides an electrical connector, which includes: an insulating body; a conductive body; and a plurality of grounding terminals and a plurality of signal terminals. A plurality of L-shaped protrusions are arranged on the conductive body, a row of L-shaped protrusions are formed between every two adjacent terminal rows, the L-shaped protrusion includes a short edge portion and a long edge portion, the short edge portion is electrically connected to the corresponding grounding terminal by a second end of the short edge portion, and the long edge portion isolates a part of differential signal terminal pairs in adjacent terminal rows that are at least partially overlapped in the column direction. By such electrical connector, the differential signal terminal pairs may be shielded well to avoid crosstalk interference, a common-ground effect is achieved between the grounding terminals, and overall operational effectiveness of the electrical connector is effectively improved.