| Mirko Vujačić | |
| Nationality: | Montenegrin |
| Sport: | Athletics |
| Event: | Javelin throw |
| Birth Date: | 1 September 1924 |
| Birth Place: | Golubovci, Kingdom of Serbs, Croats, and Slovenes |
| Death Place: | Podgorica, Montenegro |
Mirko Vujačić (1 September 1924 - 2 January 2016) was a Montenegrin athlete. He competed in the men's javelin throw at the 1948 Summer Olympics, representing Yugoslavia.[1]