An electronic apparatus includes a circuit board; a housing accommodating the circuit board and having a card insertion slot on a side surface thereof; and a card holding portion fixed on the circuit board and having a card receiving slot facing the card insertion slot and provided closer to a center side of the circuit board than a side edge of the circuit board on the card insertion slot side, the card holding portion receiving a card, inserted through the card insertion slot, from the card receiving slot and holding the card. The housing has a guiding rib which extends from the card insertion slot to the vicinity of the card receiving slot and guides the card, inserted into the card insertion slot, to the card receiving slot.