Debutants
Jan Nolmans is the youngest debutant in Tour de France in 1966. There are 42 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | NOLMANS Jan | Dr. Mann - Grundig | 21y + 344d |
| 2 | MATHY Joseph | Roméo - Smith's | 21y + 348d |
| 3 | MAES Mathieu | Solo - Superia | 22y + 49d |
| 4 | VRANCKEN Herman | Dr. Mann - Grundig | 22y + 54d |
| 5 | PLANCKAERT Willy | Roméo - Smith's | 22y + 77d |
| 6 | IZIER Maurice | Pelforth - Sauvage - Lejeune - Wolber | 22y + 95d |
| 7 | RAYMOND Christian | Peugeot - Michelin - BP | 22y + 179d |
| 8 | PERURENA Domingo | Fagor | 22y + 188d |
| 9 | VAN SPRINGEL Herman | Dr. Mann - Grundig | 22y + 311d |
| 10 | MONTEYNE Jean | Solo - Superia | 22y + 326d |
| 11 | MILLIOT Roger | Pelforth - Sauvage - Lejeune - Wolber | 22y + 360d |
| 12 | VAN DEN EYNDE Willy | Roméo - Smith's | 23y + 62d |
| 13 | IN 'T VEN Willy | Dr. Mann - Grundig | 23y + 112d |
| 14 | SPRUYT Jos | Mercier - BP - Hutchinson | 23y + 116d |
| 15 | BOONS Jos | Dr. Mann - Grundig | 23y + 128d |
| 16 | VAN DER VLEUTEN Jos | Televizier - Batavus | 23y + 134d |
| 17 | SANTAMARINA Luis-Pedro | Fagor | 23y + 361d |
| 18 | FABBRI Pasquale | Filotex - Fiorelli | 24y + 80d |
| 19 | VAN VLIERBERGHE Albert | Roméo - Smith's | 24y + 95d |
| 20 | DELOCHT Julien | Pelforth - Sauvage - Lejeune - Wolber | 24y + 120d |
| 21 | MANNUCCI Paolo | Filotex - Fiorelli | 24y + 132d |
| 22 | HUYSMANS Jos | Dr. Mann - Grundig | 24y + 185d |
| 23 | BENET Maurice | Kamome - Dilecta - Dunlop | 24y + 228d |
| 24 | LEBRETON Raymond | Kamome - Dilecta - Dunlop | 24y + 296d |
| 25 | SCHUTZ Edy | Roméo - Smith's | 25y + 37d |
| 26 | VAN DEN BOSSCHE Martin | Roméo - Smith's | 25y + 103d |
| 27 | ERRANDONEA José María | Fagor | 25y + 191d |
| 28 | SAN MIGUEL Gregorio | Kas - Kaskol | 25y + 201d |
| 29 | MUGNAINI Marcello | Filotex - Fiorelli | 25y + 221d |
| 30 | BITOSSI Franco | Filotex - Fiorelli | 25y + 293d |
| 31 | GONZÁLEZ Aurelio | Kas - Kaskol | 25y + 330d |
| 32 | BOONEN Jan | Dr. Mann - Grundig | 26y + 88d |
| 33 | COLOMBO Ugo | Filotex - Fiorelli | 26y + 119d |
| 34 | LÓPEZ RODRÍGUEZ José Manuel | Fagor | 26y + 120d |
| 35 | PICCHIOTTI Rolando | Filotex - Fiorelli | 26y + 150d |
| 36 | ARANZABAL Jesús | Fagor | 26y + 178d |
| 37 | LE GREVÈS Alain | Kamome - Dilecta - Dunlop | 26y + 252d |
| 38 | DÍAZ Mariano | Fagor | 26y + 277d |
| 39 | LENZI Guerrando | Filotex - Fiorelli | 26y + 288d |
| 40 | NERI Guido | Molteni - Hutchinson | 27y + 145d |
| 41 | DE PRA Tommaso | Molteni - Hutchinson | 27y + 187d |
| 42 | GUIMBARD Henri | Mercier - BP - Hutchinson | 27y + 328d |