| Arnold Gartmann | |
| Nationality: | Swiss |
| Sport: | Bobsleigh |
| Birth Date: | 20 November 1904 |
| Birth Place: | St. Moritz, Switzerland |
| Death Place: | St. Moritz, Switzerland |
Arnold "Noldi" Gartmann (20 November 1904 - 4 June 1980) was a Swiss bobsledder who competed in the late 1930s. He won a gold medal in the four-man event at the 1936 Winter Olympics in Garmisch-Partenkirchen.
Gartmann also won a silver medal in the four-man event at the 1935 FIBT World Championships in St. Moritz.