| Ivan Herman Jacob | |
| Nationality: | Indian |
| Sport: | Sprinting |
| Event: | 400 metres |
| Birth Date: | 15 July 1925 |
| Birth Place: | Kollam, British India |
| Death Place: | Sydney, Australia |
Ivan Jacob (15 July 1925 – 5 February 2009) was an Indian sprinter. He competed in the men's 400 metres at the 1952 Summer Olympics.[1] Jacob won a silver medal in the 4 x 400 metres relay at the 1954 Asian Games.