Josef Korenár (born 31 January 1998) is a Czech ice hockey goaltender currently playing under contract for the San Jose Barracuda of the American Hockey League as a prospect for the San Jose Sharks of the National Hockey League (NHL).
In July 2017, it was announced that Korenár had signed an entry-level contract with the San Jose Sharks after spending the 2016–17 season with the Lincoln Stars of the USHL.
Korenár spent the next season on loan to the Dukla Jihlava organization of the Czech Extraliga.