| Driver | Number | Code | DOB | Nationality |
|---|---|---|---|---|
| Driver | Number | Code | DOB | Nationality |
|---|---|---|---|---|
| Rikky von Opel | — | — | 14 October 1947 | Liechtensteiner |
| Rio Haryanto | 88 | HAR | 22 January 1993 | Indonesian |
| Rob Slotemaker | — | — | 13 June 1929 | Dutch |
| Rob Schroeder | — | — | 11 May 1926 | British |
| Robert Manzon | — | — | 12 April 1917 | French |
| Robert O'Brien | — | — | 11 April 1908 | American |
| Robert Doornbos | — | DOO | 23 September 1981 | Dutch |
| Robert La Caze | — | — | 26 February 1917 | French |
| Robert Kubica | 88 | KUB | 07 December 1984 | Polish |
| Roberto Mieres | — | — | 03 December 1924 | Argentine |