| Otto Baumberger | |
| Birth Place: | Altstetten, Zurich |
| Notable Works: | An iconic object poster depicting a realistic herringbone tweed coat |
| Birth Date: | 21 May 1889 |
| Nationality: | Swiss |
| Movement: | Plakatstil (poster style) and Sachplakat (object poster[s]) |
Otto Baumberger (21 May 1889 Altstetten, Zurich – 26 December 1961 Weiningen), was a noted Swiss painter and poster artist. Baumberger produced some 200 posters of great quality and style. His realistic rendering of a herringbone tweed coat became a classic of Swiss poster, an example of a Sachplakat (object poster).