Joseph L. Zbacnik (July 11, 1937 – February 12, 2020)[1] was an American curler.

He won a bronze medal at the 1966 World Championships[2] and won the 1966 United States men's curling championship.

Zbacnik worked as a dentist, and employed the three members of his team at his clinic.

[3] He practiced dentistry in Moorhead, Minnesota and Dana Point, California.

This biographical article relating to curling in the United States is a stub.