Abstract: An adjustable vehicle seat wherein the frame supporting the seat portion is defined by two sides, each presenting a bottom portion sliding along a respective horizontal longitudinal guide, and a top portion integral with the seat portion and connected to the respective bottom portion so as to travel, in relation to the bottom portion, along a fixed vertical guide integral with the bottom portion and by virtue of two actuating devices located on either side of the fixed guide and each of which provides for rocking the respective top portion in relation to the respective bottom portion and about a respective axis perpendicular to the fixed guide.