The image recording apparatus includes a regulating guide for regulating a position of a recording medium and a passage changing unit for changing a passage of the recording medium to the other passage thereof. The regulating guide includes a pair of outer guides arranged at outermost positions in a width direction and having in a perpendicular direction to a transport plane for the recording medium plural outer passage portions for regulating a position of the recording medium in the width direction and at least one inner guide arranged between the pair of outer guides and having on both sides in the width direction inner passage portions for regulating a position of the recording medium in the width direction at a position in the perpendicular direction corresponding to one outer passage portion of the pair of outer guides. The regulating guide forms plural passages in the perpendicular direction.