| Christian Sittler | |
| Nationality: | Austrian |
| Sport: | Boxing |
| Birth Date: | 26 February 1954 |
| Birth Place: | Vienna, Austria |
Christian Sittler (born 26 February 1954) is an Austrian boxer. He competed in the men's light welterweight event at the 1976 Summer Olympics.[1] At the 1976 Summer Olympics, he defeated Luis Godoy and Narong Boonfuang, before losing to Luis Portillo in the last sixteen.[1]