Debutants
Fernando Ferreira is the youngest debutant in La Vuelta ciclista a España in 1973. There are 39 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | FERREIRA Fernando | Coelima - Benfica | 21y + 94d |
| 2 | FUSSIEN Jean-Jacques | Bic | 21y + 95d |
| 3 | MARTINS José Freitas | Coelima - Benfica | 21y + 219d |
| 4 | COLLAER Paul | Rokado | 22y + 80d |
| 5 | ALEXANDRE Orlando Maia | Coelima - Benfica | 22y + 137d |
| 6 | MEUNIER Jean-Claude | Peugeot - BP | 22y + 140d |
| 7 | SANTY Guy | Bic | 22y + 154d |
| 8 | PEERSMAN Ferdinand | Rokado | 22y + 231d |
| 9 | VIEJO José Luis | La Casera - Bahamontes | 23y + 175d |
| 10 | PALKA Christian | Bic | 23y + 285d |
| 11 | AIGUESPARSES Claude | Peugeot - BP | 23y + 286d |
| 12 | PEREIRA José | Coelima - Benfica | 24y + 44d |
| 13 | HUELAMO Jaime | Kas - Kaskol | 24y + 160d |
| 14 | VAN DE WIELE Jan | Rokado | 24y + 174d |
| 15 | BRUYÈRE Joseph | Molteni | 24y + 203d |
| 16 | PINHAL Joao | Coelima - Benfica | 24y + 213d |
| 17 | BERCKMANS Jean-Pierre | Rokado | 24y + 229d |
| 18 | ESCLASSAN Jacques | Peugeot - BP | 24y + 235d |
| 19 | GUITARD Jean-Pierre | Peugeot - BP | 24y + 262d |
| 20 | MELERO Carlos | Kas - Kaskol | 25y + 68d |
| 21 | FANDOS Pasqual | Coelima - Benfica | 25y + 87d |
| 22 | ELORRIAGA Javier Francisco | Kas - Kaskol | 25y + 144d |
| 23 | DE SCHOENMAECKER Jos | Molteni | 25y + 206d |
| 24 | MARTELOZZO Pierre | Peugeot - BP | 26y + 75d |
| 25 | VAN LANCKER Robert | Rokado | 26y + 136d |
| 26 | MINTJENS Frans | Molteni | 26y + 154d |
| 27 | MENDES Fernando dos Reis Dias | Coelima - Benfica | 26y + 223d |
| 28 | MORENO José | Monteverde | 26y + 263d |
| 29 | CATIEAU José | Bic | 26y + 283d |
| 30 | LEMAN Eric | Peugeot - BP | 26y + 283d |
| 31 | GOICOECHEA Segundo | Monteverde | 27y + 67d |
| 32 | MERCKX Eddy | Molteni | 27y + 313d |
| 33 | ANDRADE Manuel | Monteverde | 27y + 333d |
| 34 | FERNANDES Venceslau | Coelima - Benfica | 28y + 4d |
| 35 | CASAS José | Monteverde | 28y + 36d |
| 36 | GALDÁMEZ José Luis | Coelima - Benfica | 28y + 38d |
| 37 | SWERTS Roger | Molteni | 30y + 119d |
| 38 | HUYSMANS Jos | Molteni | 31y + 129d |
| 39 | DE BOEVER Jaak | Peugeot - BP | 35y + 240d |