The following is the list of number of competitors from the Austrian delegation participating in the Games: Austria fielded a squad of two artistic swimmers to compete in the women's duet event, who qualified by winning the gold medal at the 2021 FINA Olympic Qualification Tournament in Barcelona, Spain.

Meanwhile, a composite squad of three dressage riders was formed and thereby added to the Austrian roster by receiving a spare berth freed up by one of two nations, unable to fulfill the NOC Certificate of Capability, based on their individual results in the FEI Olympic rankings at the end of 2019 season.

Elisa Hämmerle booked a spot in the women's individual all-around and apparatus events, by finishing eleventh out of the twenty gymnasts eligible for qualification at the 2019 World Championships in Stuttgart, Germany.

[15] On March 6, 2020, the Austrian Olympic Committee announced the first set of sailors to compete at the Enoshima regatta, namely Rio 2016 bronze medalist Tanja Frank and her new partner Lorena Abicht in the women's 49erFX class.

Jakob Schubert and Jessica Pilz qualified directly each for the men's and women's combined event, by advancing to the final stage and securing one of the seven provisional berths at the 2019 IFSC World Championships in Hachioji, Japan.

[22] Moreover, an additional place was awarded to the Austrian table tennis players competing in the inaugural mixed doubles by virtue of a top six national finish vying for qualification in the ITTF Olympic Rankings.

Two-time Olympian Robert Gardos and Daniel Habesohn were automatically selected among the top seven eligible players in the men's singles based on the ITTF Olympic Rankings of June 1, 2021.