"The Blue Giraffe" is a science fiction story on the concept of mutation by L. Sprague de Camp. It was first published in the magazine Astounding Science-Fiction for August, 1939. It first appeared in book form in the anthology Adventures in Time and Space (Random House, 1946); it later appeared in the anthologies World of Wonder (Twayne, 1951), The Science Fiction Bestiary (Thomas Nelson, 1971), Androids, Time Machines and Blue Giraffes (Follett, 1973), Isaac Asimov Presents the Great Science Fiction Stories: Volume 1, 1939 (DAW Books, 1979), Isaac Asimov Presents The Golden Years of Science Fiction (Bonanza Books, 1983), and An Anthropomorphic Century (FurPlanet Productions, 2015). The story has been translated into Italian, French and German.