A pick-up style utility vehicle includes a front seat, a rear seat, a screen shield, a cargo bed, and a cabin frame housing at least the front seat and the rear seat and forming a riding space. The cargo bed is state changeable between the expanded state in which the cargo bed expands forward and the unexpanded state not occupying the riding space. The cabin frame includes a pair of left and right front side frame bodies, a pair of left and right rear side frame bodies, and cross frame members coupling the front and rear side frame bodies. The front side frame bodies are fixed to the vehicle body and the rear side frame bodies and the cross frame members are changeable with respect to the vehicle body according to the state change of the cargo bed.