A straddled vehicle comprising: a left seat frame extending rearward with regard to a front-rear vehicle direction (F-Re) and upward with regard to an up-down vehicle direction (U-D); a right seat frame arranged rightward of the left seat frame with regard to a left-right vehicle direction (L-R) and extending rearward with regard to the front-rear vehicle direction (F-Re) and upward with regard to the up-down vehicle direction (U-D); a seat supported on the left seat frame and the right seat frame; and a tandem foot rest unit supported on the left seat frame and the right seat frame for supporting feet of a passenger who sits in the seat, wherein: the tandem foot rest unit includes: a bracket including a left end portion and a right end portion with regard to the left-right vehicle direction (L-R) and attachably/removably supported on the left seat frame and the right seat frame; a left tandem foot rest supported on the left end portion of the bracket; and a right tandem foot rest supported on the right end portion of the bracket, characterized by a plate secured to the left seat frame and the right seat frame, wherein the bracket is removably attached to the plate, wherein the plate is arranged downward of the left seat frame and the right seat frame with regard to the up-down vehicle direction (U-D), and is arranged parallel to the left seat frame and the right seat frame as the vehicle is viewed from the side. a left seat frame extending rearward with regard to a front-rear vehicle direction (F-Re) and upward with regard to an up-down vehicle direction (U-D); a right seat frame arranged rightward of the left seat frame with regard to a left-right vehicle direction (L-R) and extending rearward with regard to the front-rear vehicle direction (F-Re) and upward with regard to the up-down vehicle direction (U-D); a seat supported on the left seat frame and the right seat frame; and a tandem foot rest unit supported on the left seat frame and the right seat frame for supporting feet of a passenger who sits in the seat, wherein: the tandem foot rest unit includes: a bracket including a left end portion and a right end portion with regard to the left-right vehicle direction (L-R) and attachably/removably supported on the left seat frame and the right seat frame; a left tandem foot rest supported on the left end portion of the bracket; and a right tandem foot rest supported on the right end portion of the bracket, characterized by a plate secured to the left seat frame and the right seat frame, wherein the bracket is removably attached to the plate, wherein the plate is arranged downward of the left seat frame and the right seat frame with regard to the up-down vehicle direction (U-D), and is arranged parallel to the left seat frame and the right seat frame as the vehicle is viewed from the side. the tandem foot rest unit includes: a bracket including a left end portion and a right end portion with regard to the left-right vehicle direction (L-R) and attachably/removably supported on the left seat frame and the right seat frame; a left tandem foot rest supported on the left end portion of the bracket; and a right tandem foot rest supported on the right end portion of the bracket, characterized by a bracket including a left end portion and a right end portion with regard to the left-right vehicle direction (L-R) and attachably/removably supported on the left seat frame and the right seat frame; a left tandem foot rest supported on the left end portion of the bracket; and a right tandem foot rest supported on the right end portion of the bracket, characterized by a plate secured to the left seat frame and the right seat frame, wherein the bracket is removably attached to the plate, wherein the plate is arranged downward of the left seat frame and the right seat frame with regard to the up-down vehicle direction (U-D), and is arranged parallel to the left seat frame and the right seat frame as the vehicle is viewed from the side.