| Birth Date: | 15 December 1953 |
| Birth Place: | Constanţa, Romania |
| Death Date: | 10 August 2014 (aged 60) |
| Height: | 157 cm |
| Sport: | Greco-Roman wrestling |
| Club: | Farul Constanţa CSA Steaua București |
| Coach: | Constantin Ofiterescu[1] |
| Show-Medals: | yes |
Constantin Alexandru (15 December 1953 – 10 August 2014) was a light-flyweight Greco-Roman wrestler from Romania who won a silver medal at the 1980 Olympics. He was the world champion in 1978 and 1979 and European champion in 1974–1975 and 1977–1979.
Alexandru took up wrestling at Farul Constanţa, but then moved to CSA Steaua București, where he later worked as a coach. He also trained the national team and served as an international referee.[1] [2]