Grigorii Nikitich Gribonosov (Russian: ?????´??? ????´??? ???????´???; 5 (18) January 1902, Odessa - 30 March 1960, Moscow) was a Soviet journalist and science fiction and adventure writer, who wrote under the name Grigorii Grebnev (?????´??? ???????).
He also wrote screenplays, including the adaptation of Alexander Kuprin's story for The White Poodle 1956 film.