A sunroof apparatus includes: a movable panel adjusted to open and close an opening formed on a roof of a vehicle; a guide rail extending on the roof in the vehicle front-rear direction; a driving shoe driven to move along the guide rail; a support bracket including a first engagement protrusion and a second engagement protrusion and supporting the movable panel; a rear-side guide member on which a guide-side engagement concave portion is formed and which is provided on the guide rail; and a rear-side link from which a link-side engagement protrusion which engages with the guide-side engagement concave portion to lift up and lower the rear portion of the support bracket protrudes in the vehicle width direction.