Rosmarie Tissi (b. 1937) is a prolific Swiss graphic designer, widely recognized and awarded for her incisive Post-Modern style and creative approach to typography. After graduating from the School of Applied Art in Zurich, Tissi began her collaboration with Siegfried Odermatt, first as an apprentice and then as partner in the Odermatt & Tissi studio. The duo is best known for their dynamic designs for music and dance events, such as the Serenaden open air music festival.