| Birth Date: | 21 March 1935 |
| Birth Place: | Mahmudia, Romania |
| Death Date: | 17 May 1971 (aged 36) |
| Height: | 166 cm |
| Weight: | 75 kg |
| Sport: | Canoe sprint |
| Club: | Dinamo Bucharest[1] |
| Show-Medals: | yes |
Dumitru Alexe (21 March 1935 – 17 May 1971) was a Romanian sprint canoeist, who had his best achievements in doubles, partnering with Simion Ismailciuc. They won an Olympic gold medal in 1956, a European title in 1957 and a world title in 1958. At the 1960 Summer Olympics, Dunitru was paired with Igor Lipalit and placed fourth in the C-2 1000 m event.