Zbyněk Hubač (born 1 September 1940 in Trutnov) is a Czechoslovakian former ski jumper who competed from 1962 to 1973. His lone victory was at Innsbruck during the 1970–71 Four Hills Tournament.
Hubač also competed in three Winter Olympics, earning his best finish of 19th twice (Individual large hill: 1968, Individual large hill: 1964).