Competitors for 2021 World Cyclo-Cross Championships
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Toon Aerts |  BEL |
CYC | 19 October 1993 |
| Denise Betsema |  NED |
CYC | 23 January 1993 |
| Lucinda Brand | NED |
CYC | 2 July 1989 |
| Ryan Kamp | NED |
CYC | 12 December 2000 |
| Timo Kielich | BEL |
CYC | 5 August 1999 |
| Mathieu van der Poel | NED |
CYC | 19 January 1995 |
| Pim Ronhaar | NED |
CYC | 20 July 2001 |
| Wout Van Aert | BEL |
CYC | 15 September 1994 |
| Aniek van Alphen | NED |
CYC | 1 February 1999 |
| Fem van Empel | NED |
CYC | 3 September 2002 |
| Blanka Vas |  HUN |
CYC | 3 September 2001 |
| Annemarie Worst | NED |
CYC | 19 December 1995 |