Fedor Alexis Flinzer (4 April 1832 in Reichenbach im Vogtland – 14 June 1911 in Leipzig) was an author, educator and one of the greatest German illustrators of the Gründerzeit, who was called Raphael of Cats.

Characteristic for Flinzer's art is the humanized and satirical depiction of animals, partly in the style of Wilhelm von Kaulbach and Grandville.

Examples for his commercial art work are the Cat, a world-famous brand for Hoffmann's Stärkefabriken in Bad Salzuflen, and designs for toys of the Dresdner Werkstätten.

Flinzer's main work is the picture book König Nobel (1886), a continuation of the famous Reynard the Fox published in collaboration with the German author Julius Lohmeyer (1834–1903).

Finally, Flinzer's contributions to the influential youth magazine Deutsche Jugend have to be mentioned; for example, he illustrated the first edition of Theodor Storm's story Lena Wies[5] for this periodical.

Inspired by a picture-book illustration of Flinzer, the Austrian artist Christian Ludwig Attersee created his provocative work Kinderzimmertriptychon (Nursery Triptych; dated 1971).