| Birth Place: | Tunari, Romania[1] |
| Death Date: | 2004 |
| Death Place: | Vivo, Limpopo, South Africa |
| Height: | 165 cm |
| Sport: | Greco-Roman wrestling |
| Club: | CS Rapid București CSA Steaua București |
| Coach: | Marian Belusica[2] |
| Show-Medals: | yes |
Ion Baciu (born 12 May 1944) is a retired bantamweight Greco-Roman wrestler from Romania. He won the world title in 1967 and a silver medal at the 1968 Olympics, placing sixth in 1972.[1]