| Guillermo Peralta | |
| Sport: | Sailing |
| Birth Date: | 21 July 1908 |
| Birth Place: | Buenos Aires, Argentina |
| Death Place: | Buenos Aires, Argentina |
Guillermo Peralta (21 July 1908 - 23 September 1975) was an Argentine sailor. He competed in the 8 Metre event at the 1936 Summer Olympics.[1]