Competitors for 1971 World Cyclo-Cross Championships
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Leo Arnouts |  BEL |
CYC | 14 July 1944 |
| John Atkins |  GBR |
CYC | 7 April 1942 |
| José María Basualdo |  ESP |
CYC | 18 November 1948 |
| Pierre Bernet |  FRA |
CYC | 8 April 1939 |
| Giannino Bianco |  ITA |
CYC | 24 October 1944 |
| Darryl Brassington | GBR |
CYC | 9 May 1947 |
| Vojtěch Červínek |  TCH |
CYC | 6 September 1948 |
| Graeme Collyer | GBR |
CYC | |
| René De Clercq | BEL |
CYC | 16 March 1945 |
| Giovanni De Franceschi | ITA |
CYC | 5 February 1941 |
| Eric De Vlaeminck | BEL |
CYC | 23 March 1945 |
| Norbert Dedeckere | BEL |
CYC | 23 November 1948 |
| Christopher Dodd | GBR |
CYC | 13 November 1951 |
| Albert Even |  LUX |
CYC | 3 July 1941 |
| Norbert Fischer | LUX |
CYC | |
| Peter Frischknecht |  SUI |
CYC | 12 March 1946 |
| Alex Gérardin | FRA |
CYC | 8 July 1947 |
| José María González | ESP |
CYC | 13 November 1942 |
| Juan Gorostidi | ESP |
CYC | 2 September 1945 |
| Hermann Gretener | SUI |
CYC | 8 September 1942 |
| Max Gretener | SUI |
CYC | 13 September 1941 |
| Marcel Hanten | LUX |
CYC | |
| Hermann Hellwerth |  AUT |
CYC | |
| Klaus-Peter Jördens |  GER |
CYC | 26 November 1947 |
| Leif Jørgensen |  DEN |
CYC | |
| Pavel Krejčí | TCH |
CYC | 3 December 1944 |
| Hynek Kubíček | TCH |
CYC | |
| Jakob Küster | SUI |
CYC | 28 January 1947 |
| Franco Livian | ITA |
CYC | 9 November 1942 |
| Renato Longo | ITA |
CYC | 9 August 1937 |
| Keith Mernickle | GBR |
CYC | 13 January 1944 |
| Pedro Moreno | ESP |
CYC | |
| Ueli Müller | SUI |
CYC | 3 April 1952 |
| Jiří Murdych | TCH |
CYC | |
| Oliver Nagle | GBR |
CYC | |
| Walter Obersberger | AUT |
CYC | |
| Michel Pelchat | FRA |
CYC | 11 January 1938 |
| Jean-Yves Plaisance | FRA |
CYC | 26 December 1946 |
| Henning Rasmussen | DEN |
CYC | |
| Wolfgang Renner | GER |
CYC | 28 October 1947 |
| Walter Ricci | FRA |
CYC | 5 February 1946 |
| Jean-Michel Richeux | FRA |
CYC | 9 November 1948 |
| Charles Rigon | FRA |
CYC | 3 January 1944 |
| Fritz Schärer | SUI |
CYC | |
| Albert Scheffer |  NED |
CYC | 27 January 1949 |
| Gerrit Scheffer | NED |
CYC | 27 January 1949 |
| Dante Signorini | ITA |
CYC | 30 August 1945 |
| Karl Sinzinger | AUT |
CYC | |
| Jacques Spetgens | NED |
CYC | 1950 |
| Eric Stone | GBR |
CYC | 22 February 1946 |
| Alfred Stucki | SUI |
CYC | 1 March 1944 |
| Ekkehard Teichreber | GER |
CYC | 8 April 1948 |
| Luigi Torresani | ITA |
CYC | 22 April 1946 |
| Dieter Übing | GER |
CYC | 20 February 1946 |
| Franco Vagneur | ITA |
CYC | 14 February 1944 |
| Albert Van Damme | BEL |
CYC | 1 December 1940 |
| Robert Van de Sompel | BEL |
CYC | 21 January 1943 |
| Julien Vanden Haesevelde | BEL |
CYC | 24 August 1943 |
| Robert Vermeire | BEL |
CYC | 2 November 1944 |
| Gertie Wildeboer | NED |
CYC | 3 April 1948 |
| Lucien Zeimes | LUX |
CYC | 30 October 1948 |
| Cees Zoontjens | NED |
CYC | 10 August 1944 |
| Albert Zweifel | SUI |
CYC/TRI | 7 June 1949 |