Competitors for 2021 49er World Championship
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Odile van Aanholt |  NED |
SAI | 14 January 1998 |
| Tim Fischer |  GER |
SAI | 21 December 1994 |
| Martine Grael |  BRA |
SAI | 12 February 1991 |
| Fabian Graf | GER |
SAI | 31 March 1996 |
| Jakob Precht Jensen |  DEN |
SAI | 6 November 1998 |
| Kahena Kunze | BRA |
SAI | 12 March 1991 |
| Bart Lambriex | NED |
SAI | 3 October 1998 |
| Helene Næss |  NOR |
SAI | 29 June 1991 |
| Frederik Rask | DEN |
SAI | 1995 |
| Elise de Ruijter | NED |
SAI | 29 June 1999 |
| Marie Rønningen | NOR |
SAI | 13 March 1994 |
| Floris van de Werken | NED |
SAI | 2 April 1995 |