Dušan Zaťko is a former Czechoslovak slalom canoeist of Slovak nationality who competed in the 1980s in the C2 discipline together with his partner in the boat Ľudovít Tkáč.
Zaťko and Tkáč participated in two World Championships, winning a gold medal in the C2 team event at the 1983 World Championships in Meran.[1]
| Event | 1981 | 1982 | 1983 | |
|---|---|---|---|---|
| World Championships | C2 | 10 | Not held | 6 |
| C2 team | 6 | Not held | 1 |