| Birth Date: | 21 February 1906 |
| Birth Place: | Izola, Austria-Hungary |
Giuseppe Perentin (21 February 1906 - 4 March 1981)[1] was an Italian freestyle swimmer who competed in the 1928 Summer Olympics and in the 1932 Summer Olympics.
Perentin was born in Izola, Austria-Hungary. In 1928 he was eliminated in the semi-finals of the 1500 metre freestyle event. He was also a member of the Italian relay team which was eliminated in the first round of the 4×200 metre freestyle relay competition.
Four years later he was eliminated in the semi-finals of the 400 metre freestyle event as well as in the first round of the 1500 metre freestyle competition.