To provide a body rear structure for a motorcycle effectively using a space of a seat cowl interior, and effectively simplifying composition, assembly or the like.

A rear fender 1 is arranged in a periphery of a rear wheel. A rear fender front 2 and a rear fender rear 3 integrally formed with a seat tail cowl part 3A and a rear fender rear part 3B are connected. A tail lamp used also as a brake lamp, a number plate illuminating lamp illuminating a number plate attaching part and a number plate 5, and a pair of right and left direction indicator lamps 6 are attached and unitized on a rear part rear wheel mud guard composed of the rear fender rear 3B. The tail lamp is attached to the rear part rear wheel mud guard via a tail lamp bracket. In the tail lamp bracket, stay parts are fastened and fixed together with the direction indicator lamps 6 to the seat tail cowl part 3A by bolts provided on base parts of the direction indicator lamps 6.