| Ivo Ivaniš | |
| Nationality: | Croatian |
| Sport: | Water polo |
| Birth Date: | 14 February 1976 |
| Birth Place: | Cavtat, Yugoslavia |
| Death Place: | Bobara Island, Croatia |
Ivo Ivaniš (14 February 1976 - 16 August 2003) was a Croatian water polo player. He competed in the men's tournament at the 2000 Summer Olympics. He died in a tragic diving accident off an island in Croatia.[1]