Hayden Ernest Stoeckel is an Olympic and national record-holding backstroke swimmer from Australia. He swam for Australia at the 2008 Olympics where he tied with Russia's Arkady Vyatchanin for the bronze medal in the 100m backstroke; in semifinals of the event he also set a new Australian and Commonwealth Record (52.97). He was also part of the Australian men's 4×100-metre medley relay team that won bronze at the 2012 Summer Olympics.