| Birth Place: | Fălticeni, Romania[1] |
| Height: | 191 cm |
| Weight: | 93 kg |
| Sport: | Rowing |
| Club: | Dinamo Bucharest[2] |
| Show-Medals: | yes |
Petru Iosub (born 16 June 1961) is a retired Romanian rower. He first competed in coxless fours, placing fifth at the 1980 Olympics and winning a bronze medal at the 1982 World Championships. Later he changed to coxless pairs and won a gold medal at the 1984 Olympics, together with Valer Toma.[2]