Competitors for 1966 World Road Cycling Championships
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Rudi Altig |  GER |
CYC | 18 March 1937 |
| Jacques Anquetil |  FRA |
CYC | 8 January 1934 |
| Attilio Benfatto |  ITA |
CYC | 11 March 1943 |
| Eddy Beugels |  NED |
CYC | 19 March 1944 |
| Verner Blaudzun |  DEN |
CYC | 23 March 1946 |
| Luciano Dalla Bona | ITA |
CYC | 8 November 1943 |
| Mino Denti | ITA |
CYC | 5 February 1945 |
| Eef Dolman | NED |
CYC | 22 February 1946 |
| Tiemen Groen | NED |
CYC | 6 July 1946 |
| Pietro Guerra | ITA |
CYC | 28 June 1943 |
| Cornelia Hage-Van Oosten | NED |
CYC | 21 August 1949 |
| Jørgen Emil Hansen | DEN |
CYC | 7 December 1942 |
| Ole Højlund Pedersen | DEN |
CYC | 17 February 1943 |
| Raymond Poulidor | FRA |
CYC | 15 April 1936 |
| Ayno Puronen |  URS |
CYC | 20 January 1936 |
| Yvonne Reynders |  BEL |
CYC | 4 August 1937 |
| Willy Skibby | DEN |
CYC | 20 February 1942 |
| Harry Steevens | NED |
CYC | 27 April 1945 |
| Rini Wagtmans | NED |
CYC | 26 December 1946 |
| Les West |  GBR |
CYC | 11 November 1943 |
| Flemming Wisborg | DEN |
CYC | 1943 |