The 2021 CS Nebelhorn Trophy was held on September 22–25, 2021 in Oberstdorf, Germany.

[5] The International Skating Union published the list of entries on September 2, 2021.

Names with an asterisk (*) denote skaters not competing for Olympic qualification.

One additional quota spot became available in men's singles following the 2021 World Championships.

The following ISU member nations qualified a berth for their National Olympic Committee at Nebelhorn Trophy:[19] If a country declines to use one or more of its qualified spots for the Olympics, the vacated spot will be awarded using the results of Nebelhorn Trophy in descending order of placement.