Competitors for 1965 World Cyclo-Cross Championships
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Jaroslav Antoš |  TCH |
CYC | 5 April 1940 |
| Pierre Bernet |  FRA |
CYC | 8 April 1939 |
| Harry Bond |  GBR |
CYC | 1939 |
| Karel Bousška | TCH |
CYC | 2 January 1933 |
| Roger De Clercq |  BEL |
CYC | 2 September 1930 |
| Jan van Dijk |  NED |
CYC | |
| Maurice Gandolfo | FRA |
CYC | 4 November 1935 |
| Domenico Garbelli |  ITA |
CYC | 31 January 1943 |
| Winfried Gottschalk |  GER |
CYC | 19 May 1944 |
| Max Gretener |  SUI |
CYC | 13 September 1941 |
| Klaus Gyger | SUI |
CYC | 15 July 1944 |
| Hubert Harings | NED |
CYC | 31 January 1939 |
| Kyril Ignatov |  BUL |
CYC | |
| Mick Ives | GBR |
CYC | 10 August 1939 |
| Pierre Kumps | BEL |
CYC | 9 May 1932 |
| Jaroslav Lacina | TCH |
CYC | |
| Edwin Lauter | SUI |
CYC | |
| Renato Longo | ITA |
CYC | 9 August 1937 |
| Joseph Mahé | FRA |
CYC | 31 October 1937 |
| José Martínez |  PAN ESP |
CYC | 5 January 1943 |
| Amelio Mendíjur | ESP |
CYC | 14 July 1943 |
| Keith Mernickle | GBR |
CYC | 13 January 1944 |
| Ignacio Morata | ESP |
CYC | 23 May 1935 |
| Michel Pelchat | FRA |
CYC | 11 January 1938 |
| Emanuel Plattner | SUI |
CYC | 29 May 1935 |
| Manfred Rupflin | GER |
CYC | 3 June 1940 |
| Cor Rutgers | NED |
CYC | 1940 |
| Mane Sadouki |  ALG |
CYC | |
| Saidi | ALG |
CYC | |
| Léon Scheirs | BEL |
CYC | 3 September 1938 |
| Gilbert Schmartz |  LUX |
CYC | 22 October 1937 |
| Jean Schmit | LUX |
CYC | 9 August 1931 |
| Amerigo Severini | ITA |
CYC | 11 May 1931 |
| Enrico Sfolcini | ITA |
CYC | 18 August 1942 |
| Karl Stähle | GER |
CYC | 15 July 1944 |
| Mick Stallard | GBR |
CYC | 1944 |
| José Luis Talamillo | ESP |
CYC | 6 July 1933 |
| Marco Thewes | LUX |
CYC | 13 December 1930 |
| Albert Van Damme | BEL |
CYC | 1 December 1940 |
| Cock Van der Hulst | NED |
CYC | 27 December 1942 |
| Rolf Wolfshohl | GER |
CYC | 27 December 1938 |