| Medal record | ||
|---|---|---|
| Men's canoe sprint | ||
| World Championships | ||
| Silver | 1970 Copenhagen | K-1 4 x 500 m |
Ion Jacob is a Romanian sprint canoer who competed in the early 1970s. He won a silver medal in the K-1 4 x 500 m event at the 1970 ICF Canoe Sprint World Championships in Copenhagen.