Armin Hofmann (HonRDI) (born June 29, 1920) is a Swissgraphic designer. Hofmann followed Emil Ruder as head of the graphic design department at the Schule für Gestaltung Basel (Basel School of Design) and was instrumental in developing the graphic design style known as the Swiss Style. He is well known for his posters, which emphasized economical use of colour and fonts, in reaction to what Hofmann regarded as the "trivialization of colour." His posters have been widely exhibited as works of art in major galleries, such as the New York Museum of Modern Art.
He was also an influential educator, retiring in 1987. In 1965 he wrote the Graphic Design Manual, a popular textbook in the field.