A roof apparatus for a vehicle includes a movable panel configured to open and close an opening portion, a sunshade configured to be opened in association with an opening operation of the movable panel, a guide rail, a sliding member causing the movable panel in a fully-closed state to move to a tilt state and to perform the opening operation, an engaging member mounted on a front portion of the movable panel and including an engaging portion and a mounting portion at which the engaging member is mounted on the movable panel, the engaging portion is arranged at a vehicle front side relative to the mounting portion, and an engaged member provided at the sunshade, the engaged member is pressed by the engaging portion when the movable panel performs the opening operation.