Competitors for 1963 World Cyclo-Cross Championships
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Franz Allgaier |  GER |
CYC | 1935 |
| Pablo Arsuaga |  ESP |
CYC | 19 July 1935 |
| Rabah Bayani |  ALG |
CYC | |
| Pierre Bernet |  FRA |
CYC | 8 April 1939 |
| Giovanni Bettinelli |  ITA |
CYC | 5 March 1935 |
| Winfried Bölke | GER |
CYC | 25 May 1941 |
| Dave Briggs |  GBR |
CYC | 21 March 1939 |
| Manus Brinkman |  NED |
CYC | 10 November 1928 |
| Roger De Clercq |  BEL |
CYC | 2 September 1930 |
| André Dufraisse | FRA |
CYC | 30 June 1926 |
| Gustav Egolf |  SUI |
CYC | 7 August 1932 |
| Romano Ferri | ITA |
CYC | 1 January 1928 |
| André Foucher | FRA |
CYC | 2 October 1933 |
| Otto Furrer | SUI |
CYC | 15 March 1934 |
| Maurice Gandolfo | FRA |
CYC | 4 November 1935 |
| Jan Van Geest | NED |
CYC | |
| Hermann Gretener | SUI |
CYC | 8 September 1942 |
| Hubert Harings | NED |
CYC | 31 January 1939 |
| Rudolf Hauser | SUI |
CYC | 22 November 1937 |
| Alfredo Irusta | ESP |
CYC | 14 November 1934 |
| El-Kliffi |  MAR |
CYC | |
| Pierre Kumps | BEL |
CYC | 9 May 1932 |
| Mahfoud Ladjel | ALG |
CYC | |
| Renato Longo | ITA |
CYC | 9 August 1937 |
| Jos Mattheussen | BEL |
CYC | |
| Mekki | MAR |
CYC | |
| Keith Mernickle | GBR |
CYC | 13 January 1944 |
| Nicolas Morn |  LUX |
CYC | 23 February 1932 |
| Bill Radford | GBR |
CYC | |
| Georges Richartz | LUX |
CYC | 2 January 1942 |
| Santos Ruiz | ESP |
CYC | 28 June 1936 |
| Cor Rutgers | NED |
CYC | 1940 |
| Saidi | ALG |
CYC | |
| Jean Schmit | LUX |
CYC | 9 August 1931 |
| Gérard Schröder | GER |
CYC | |
| Amerigo Severini | ITA |
CYC | 11 May 1931 |
| Mick Stallard | GBR |
CYC | 1944 |
| José Luis Talamillo | ESP |
CYC | 6 July 1933 |
| Albert Van Damme | BEL |
CYC | 1 December 1940 |
| Jean-Pierre Witry | LUX |
CYC | |
| Rolf Wolfshohl | GER |
CYC | 27 December 1938 |