1949 Belgian Grand Prix Entries Entries

| No_ | Driver | Entrant | Constructor_ | Chassis | Engine |
|---|---|---|---|---|---|
| 2 | Luigi Villoresi | Scuderia Ferrari | Ferrari | Ferrari 125 | Ferrari V12s |
| 4 | Alberto Ascari | Scuderia Ferrari | Ferrari | Ferrari 125 | Ferrari V12s |
| 6 | Peter Whitehead | Private | Ferrari | Ferrari 125 | Ferrari V12s |
| 8 | Juan Manuel Fangio | Automóvil Club Argentino | Maserati | Maserati 4CLT/48 | Maserati L4s |
| 10 | Benedicto Campos | Automóvil Club Argentino | Maserati | Maserati 4CLT/48 | Maserati L4s |
| 12 | Giuseppe Farina | CSI | Maserati | Maserati 4CLT/48 | Maserati L4s |
| 14 | Fred Ashmore | Scuderia Ambrosiana | Maserati | Maserati 4CLT/48 | Maserati L4s |
| 16 | Reg Parnell | Scuderia Ambrosiana | Maserati | Maserati 4CLT/48 | Maserati L4s |
| 18 | Geoffrey Crossley | Private | Alta | Alta GP | Alta L4s |