List of teams and cyclists in the 1975 Vuelta a España
For the 1975 Vuelta a España, the field consisted of 90 riders; 54 finished the race.
By rider
| No. | Name | Nationality | Team | Pos. | |
| 1 | José Manuel Fuente | Kas | DNF | ||
| 2 | Domingo Perurena | Kas | 2 | ||
| 3 | José Antonio González Linares | Kas | 28 | ||
| 4 | José Pesarrodona | Kas | 18 | ||
| 5 | Andrés Oliva | Kas | 15 | ||
| 6 | Juan Manuel Santisteban | Kas | 43 | ||
| 7 | Miguel María Lasa | Kas | 3 | ||
| 8 | Kas | 11 | |||
| 9 | José Nazabal | Kas | 23 | ||
| 10 | Antonio Menéndez | Kas | 25 | ||
| 11 | Fedor den Hertog | Frisol–GBC | DNF | ||
| 12 | Hennie Kuiper | Frisol–GBC | 5 | ||
| 13 | Willy Van Neste | Frisol–GBC | 36 | ||
| 14 | Henk Poppe | Frisol–GBC | DNF | ||
| 15 | Piet van Katwijk | Frisol–GBC | DNF | ||
| 16 | Donald Allan | Frisol–GBC | 52 | ||
| 17 | José De Cauwer | Frisol–GBC | DNF | ||
| 18 | Henk Prinsen | Frisol–GBC | DNF | ||
| 19 | Albert Hulzebosch | Frisol–GBC | DNF | ||
| 20 | Theo Smit | Frisol–GBC | DNF | ||
| 21 | Eric Leman | Alsaver–Jeunet | DNF | ||
| 22 | Luc Leman | Alsaver–Jeunet | DNF | ||
| 23 | Alsaver–Jeunet | 54 | |||
| 24 | Roger Loysch | Alsaver–Jeunet | 42 | ||
| 25 | Alsaver–Jeunet | 34 | |||
| 26 | Andre Doyen | Alsaver–Jeunet | DNF | ||
| 27 | Lucien De Brauwere | Alsaver–Jeunet | 49 | ||
| 28 | Wilfried Wesemael | Alsaver–Jeunet | 39 | ||
| 29 | Manuel Santos Castillo | Alsaver–Jeunet | DNF | ||
| 30 | Ronny Vanmarcke | Alsaver–Jeunet | 50 | ||
| 31 | Luis Ocaña | Super Ser | 4 | ||
| 32 | Agustín Tamames | Super Ser | 1 | ||
| 33 | Roger Rosiers | Super Ser | 31 | ||
| 34 | Jean-Jacques Fussien | Super Ser | DNF | ||
| 35 | Santiago Lazcano | Super Ser | 9 | ||
| 36 | Super Ser | DNF | |||
| 37 | José Luis Viejo | Super Ser | DNF | ||
| 38 | Eddy Peelman | Super Ser | DNF | ||
| 39 | José Gómez Lucas | Super Ser | DNF | ||
| 40 | Pedro Torres | Super Ser | 14 | ||
| 41 | Roger Swerts | IJsboerke–Colner | 29 | ||
| 42 | Willy In 't Ven | IJsboerke–Colner | 37 | ||
| 43 | Julien Stevens | IJsboerke–Colner | 46 | ||
| 44 | André Delcroix | IJsboerke–Colner | DNF | ||
| 45 | Raymond Steegmans | IJsboerke–Colner | DNF | ||
| 46 | Ludo Peeters | IJsboerke–Colner | 45 | ||
| 47 | Joseph Borguet | IJsboerke–Colner | 21 | ||
| 48 | Willy Planckaert | IJsboerke–Colner | DNF | ||
| 49 | Louis Verreydt | IJsboerke–Colner | DNF | ||
| 50 | Roger Loysch | IJsboerke–Colner | DNF | ||
| 51 | Fernando Mendes | Sporting Lisboa-Benfica | 6 | ||
| 52 | Sporting Lisboa-Benfica | 38 | |||
| 53 | Manuel Coelho | Sporting Lisboa-Benfica | 51 | ||
| 54 | Joaquim Leite | Sporting Lisboa-Benfica | DNF | ||
| 55 | José Madeira | Sporting Lisboa-Benfica | 12 | ||
| 56 | Américo Silva | Sporting Lisboa-Benfica | DNF | ||
| 57 | Antonio Martins | Sporting Lisboa-Benfica | 13 | ||
| 58 | Fernando Vieira | Sporting Lisboa-Benfica | DNF | ||
| 59 | José Carvalho | Sporting Lisboa-Benfica | DNF | ||
| 60 | Emidio Ferreira | Sporting Lisboa-Benfica | 53 | ||
| 61 | Marino Basso | Magniflex | DNF | ||
| 62 | Armando Lora | Magniflex | 44 | ||
| 63 | Giuseppe Perletto | Magniflex | 7 | ||
| 64 | Magniflex | 16 | |||
| 65 | Mario Branchi | Magniflex | 48 | ||
| 66 | Mauro Landini | Magniflex | DNF | ||
| 67 | Daniele Mazziero | Magniflex | DNF | ||
| 68 | Glauco Santoni | Magniflex | 41 | ||
| 69 | Magniflex | DNF | |||
| 70 | Wilmo Francioni | Magniflex | 47 | ||
| 71 | 22 | ||||
| 72 | Manuel Esparza | 17 | |||
| 73 | Andrés Gandarias | 26 | |||
| 74 | Ventura Díaz | 19 | |||
| 75 | Nemesio Jiménez | DNF | |||
| 76 | Jesús Manzaneque | 10 | |||
| 77 | Ramón Medina | DNF | |||
| 78 | 27 | ||||
| 79 | 30 | ||||
| 80 | Luis Zubero | DNF | |||
| 81 | José Martins | 8 | |||
| 82 | Joaquim Andrade | 24 | |||
| 83 | Mário Silva | 40 | |||
| 84 | Joaquim Lino | DNF | |||
| 85 | Herculano Oliveira | 35 | |||
| 86 | Manuel Rego | 20 | |||
| 87 | Pedro Rodrigues | DNF | |||
| 88 | João Sampaio | 32 | |||
| 89 | Santiago Segu | 33 | |||
| 90 | Gonzalo Ruiz Torres | DNF |