An optical touch panel 10 includes: a coordinate input region 11; a light-emitting element 12 which emits light in a near-infrared region; a light-receiving element 13 which receives light in visible and near-infrared regions; a light-emitting sided-optical waveguide 14 connected to the light-emitting element 12 and having an output end; and a light-receiving sided-optical waveguide 15 connected to the light-receiving element 13 and having an input end. The output end 14a of the light-emitting sided-optical waveguide 14 and the input end 15a of the light-receiving sided-optical waveguide 15 are located on opposite sides of the coordinate input region. The light-receiving sided-optical waveguide 15 has an organic colored layer 16 provided on at least part of a surface thereof. The organic colored layer 16 has a lower light transmittance in a visible light region than in a near-infrared region.