An electrical connector includes an insulating main housing including a main body portion that has a holding hole open rearward and a plate-shaped fitting portion that protrudes forward from the main body portion and fits to a mating connector; a shield member that covers the main housing; an insulating sub housing that is arranged in the holding hole; and a plurality of conductive terminals that include connection portions arranged on the fitting portion and terminal portions protruding from the holding hole, and are held by the sub housing. The sub housing includes a first sub housing that is inserted into the holding hole from behind in a state of holding a part of the plurality of terminals, and a second sub housing that is inserted into the holding hole from behind in a state of holding the terminals other than the part of the plurality of terminals.