| Ivo Ratej | |
| Nationality: | Slovenian |
| Sport: | Ice hockey |
| Birth Date: | 11 September 1941 |
| Birth Place: | Celje, Yugoslavia |
Ivo Ratej (born 11 September 1941) is a Slovenian ice hockey player. He competed in the men's tournaments at the 1964 Winter Olympics, the 1968 Winter Olympics and the 1972 Winter Olympics.[1]