Debutants
Gerard Mathy is the youngest debutant in Kampioenschap van Vlaanderen in 1966. There are 37 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | MATHY Gerard | Pelforth - Sauvage - Lejeune - Wolber | 20y + 218d |
| 2 | VAN RYCKEGHEM Daniel | Dr. Mann - Grundig | 21y + 109d |
| 3 | VANDROMME Ludo | Dr. Mann - Grundig | 21y + 236d |
| 4 | VAN LOO Herman | Roméo - Smith's | 21y + 244d |
| 5 | PLANCKAERT André | Leroux - Terrot | 21y + 355d |
| 6 | DECAN Herman | Flandria | 22y + 125d |
| 7 | BALLEGEER Omer | Solo - Superia | 22y + 219d |
| 8 | DELVAEL Georges | Solo - Superia | 22y + 227d |
| 9 | FURNIERE Romain | Leroux - Terrot | 22y + 308d |
| 10 | VERHOFSTADT Hugo | Goldor - Main d'Or - L'Hirondelle | 23y + 38d |
| 11 | MAERTENS René | Leroux - Terrot | 23y + 96d |
| 12 | VAN DEN EYNDE Willy | Roméo - Smith's | 23y + 148d |
| 13 | MARTENS Julien | Goldor - Main d'Or - L'Hirondelle | 23y + 349d |
| 14 | JACQUEMIN Michel | Roméo - Smith's | 23y + 353d |
| 15 | DELEFORTRIE Luc | Leroux - Terrot | 23y + 358d |
| 16 | DE JAGER Wim | Ruberg - Continental | 24y + 14d |
| 17 | VAN DE RIJSE Roland | Roméo - Smith's | 24y + 44d |
| 18 | VAN DONGEN Leo | Televizier - Batavus | 24y + 256d |
| 19 | PETERS Henk | Caballero | 24y + 267d |
| 20 | VANDAMME Lionel | Wiel's - Gancia - Groene Leeuw | 24y + 318d |
| 21 | MEEUWS Norbert | Libertas | 25y + 15d |
| 22 | HOSKENS Gaston | Leroux - Terrot | 25y + 39d |
| 23 | BOOG Jan | Caballero | 25y + 42d |
| 24 | DEN HARTOG Arie | Ford France - Hutchinson | 25y + 145d |
| 25 | VAN DEN BOSSCHE Martin | Roméo - Smith's | 25y + 189d |
| 26 | CORNELISSE Henk | Roméo - Smith's | 25y + 303d |
| 27 | VERSTRAETE Eric | Flandria | 25y + 308d |
| 28 | BRANDS Frans | Roméo - Smith's | 26y + 107d |
| 29 | BOONEN Jan | Dr. Mann - Grundig | 26y + 174d |
| 30 | DE BRAUWER Urbain | Leroux - Terrot | 26y + 252d |
| 31 | DE MIDDELEIR Robert | Libertas | 28y + 20d |
| 32 | SAMYN Willy | Ruberg - Continental | 28y + 69d |
| 33 | TROONBEECKX Lode | Dr. Mann - Grundig | 28y + 165d |
| 34 | ROMAN Clément | Wiel's - Gancia - Groene Leeuw | 28y + 205d |
| 35 | VANNITSEN Willy | Dr. Mann - Grundig | 31y + 219d |
| 36 | FLECY Arnould | Roméo - Smith's | 32y + 287d |
| 37 | LUYTEN Rik | Dr. Mann - Grundig | 35y + 66d |