For the 1945 Vuelta a España, the field consisted of 52 riders; 26 finished the race.
| Legend | ||
|---|---|---|
| No. | Starting number worn by the rider during the Vuelta | |
| Pos. | Position in the general classification | |
| DNF | Denotes a rider who did not finish | |
| No. | Name | Nationality | Pos. | ||
|---|---|---|---|---|---|
| 1 | Joaquín Bailon | DNF | [1] | ||
| 2 | Julián Berrendero | 2 | |||
| 3 | Benito Cabestreros | DNF | |||
| 4 | Bernardo Capó | 8 | |||
| 5 | DNF | ||||
| 6 | Miguel Casas | 18 | |||
| 7 | Manuel Costa | 11 | |||
| 8 | 7 | ||||
| 9 | Cipriano Elys | DNF | |||
| 10 | DNF | ||||
| 11 | Serafín Fernández | DNF | |||
| 12 | 9 | ||||
| 13 | Pedro Font | 10 | |||
| 14 | DNF | ||||
| 15 | Juan Gimeno | 3 | |||
| 16 | Miguel Gual | 4 | |||
| 17 | 13 | ||||
| 18 | 21 | ||||
| 19 | Dalmacio Langarica | 14 | |||
| 20 | José Lizarralde | 26 | |||
| 21 | DNF | ||||
| 22 | Antonio Martín | 5 | |||
| 23 | 20 | ||||
| 24 | Andrés Morán | DNF | |||
| 25 | DNF | ||||
| 26 | Joaquín Olmos | 12 | |||
| 27 | Gabriel Palmer | 16 | |||
| 28 | Emilio Rodríguez | DNF | |||
| 29 | Delio Rodríguez | 1 | |||
| 30 | 15 | ||||
| 31 | Bernardo Ruiz | 22 | |||
| 32 | Antonio Andrés Sancho | 19 | |||
| 33 | Fermín Trueba | DNF | |||
| 34 | 24 | ||||
| 35 | José Vidal | DNF | |||
| 36 | Máximo Dermit | DNF | |||
| 37 | Artur Dorsé | DNF | |||
| 38 | Julian Feito | DNF | |||
| 39 | José Gras | DNF | |||
| 40 | Enrique Laguna | DNF | |||
| 41 | DNF | ||||
| 42 | Juan Parra | DNF | |||
| 43 | Antonio Rodriguez | DNF | |||
| 44 | Juan Vila | DNF | |||
| 45 | Aniceto Bruno | 23 | |||
| 46 | Império dos Santos | 25 | |||
| 47 | DNF | ||||
| 48 | Eduardo Lopes | DNF | |||
| 49 | João Lourenço | DNF | |||
| 50 | Júlio Mourão | 17 | |||
| 51 | Jorge Pereira | DNF | |||
| 52 | 6 |