Stefan Denifl is an Austrian former professional cyclist, who rode professionally between 2006 and 2018 for seven different professional teams. In 2019, Denifl confessed to doping during a five-year period in his career, and was given a four-year ban from the sport; as a consequence of this, Denifl received a two-year sentence in 2021 for serious commercial fraud.

The Austrian National Time Trial Championships are held annually as part of the Austrian National Cycling Championships, they decide the best cyclists in this discipline in Austria, across various categories.