Hayden Ernest Stoeckel (born 10 August 1984)[1] 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 stated in an interview with channel Nine, that his time spent working there played a massive role in succeeding at the 2008 Beijing Summer Olympics.

He competed in the heats of the 4×100-metre medley relay, posting the fastest backstroke leg in a time of 55.18, as Australia qualified fourth.

He won the second semifinal in a time of 52.97, setting an Olympic, Commonwealth and Australian record to qualify fastest for the final.