The 2021 CS Cup of Austria by Icechallenge was held on November 11–14, 2021 in Graz, Austria.

[1] It was part of the 2021–22 ISU Challenger Series.

[2] Medals were awarded in the disciplines of men's singles, women's singles, and ice dance.

The International Skating Union published the list of entries on October 18, 2021.