Fredy Sigg (1923–1998) was a Swiss designer and cartoonist.
He was known nationwide for his caricatures during the 1960s to 1980s.
He was active as a free-lance graphicist and illustrator from 1947.
From 1958 he worked as a caricaturist for the Nebelspalter, Weltwoche and Beobachter newspapers, later also for Züri-Woche, Schweizerische Handelszeitung and Annabelle.
Sigg married three times; Tatjana Kürschner (1948), Johanna Büchle (1953) and Edith Thalmann (1961).