<p>A seat arrangement structure for a vehicle including a pair of right and left first side seats; a first center seat disposed between the pair of first side seats; a pair of right and left second side seats; and a second center seat disposed between the pair of second side seats. The first center seat is made slidable only within a range at a back of a position where a front end portion of the first center seat is aligned with that of the pair of first side seats. Each of the pair of first side seats is made slidable only within a range in front of the position where the front end portion of the pair of first side seats is aligned with that of the first center seat. The width of the first center seat is made narrower than that of the pair of first side seats. <IMAGE></p>
