| Robert Bednar | |
| Nationality: | Austrian |
| Sport: | Bobsleigh |
| Birth Date: | 11 July 1911 |
| Birth Place: | Semmering, Austria-Hungary |
| Death Place: | Breitenstein, Austria |
Robert Bednar (11 July 1911 – 24 July 1993) was an Austrian bobsledder who competed in the mid-1930s. He finished 13th and last in completing the four runs in the four-man event at the 1936 Winter Olympics in Garmisch-Partenkirchen.
He is the younger brother of fellow bobsledder Franz Bednar.