Ionel Constantin

Ionel Constantin (born May 6, 1963) is a Romanian sprint canoer who competed in the mid-1980s. He won two medals at the ICF Canoe Sprint World Championships with a gold (K-4 1000 m: 1983) and a silver (K-4 10000 m: 1986).

Constantin also finished fourth in the K-4 1000 m event at the 1984 Summer Olympics in Los Angeles.