1928 Grand Prix season
The 1928 Grand Prix season saw the Monegasque driver Louis Chiron take seven Grand Prix victories whilst driving for the Bugatti team.
The World Manufacturers' Championship was planned on seven races but five of them were cancelled. Moreover, three races were considered mandatory but, when only two Grands Prix remained, the championship was cancelled.
During the 1928 Italian Grand Prix in Monza a serious accident involving the car of Emilio Materassi: his Talbot crashed at 200 km/h into the grandstand, killing Materassi and 21 other people.
This event brought to evidence the need for better safety measures at the Italian circuit. The following two seasons the Italian Grand Prix wasn't held, while the Monza circuit underwent a complete upgrade.
Season review
Grandes Épreuves
| Date | Name | Circuit | Winning driver | Winning constructor | Report |
| 30 May |  Indianapolis 500 | Indianapolis | Louis Meyer | Miller | Report |
| 9 September |  Italian Grand PrixEuropean Grand Prix | Monza |  Louis Chiron | Bugatti | Report |
The Indianapolis 500 counted towards the 1928 AAA Championship Car title.
Other Grands Prix
| Date | Name | Circuit | Winning driver | Winning constructor | Report |
| 11 March | Tripoli Grand Prix | Tripoli | Tazio Nuvolari | Bugatti | Report |
| 11 March |  Circuit d'Esterel Plage | Saint-Raphaël | Louis Chiron | Bugatti | Report |
| 25 March | Pozzo Circuit | Pozzo | Tazio Nuvolari | Bugatti | Report |
| 1 April | Riviera Circuit | Cannes | Louis Chiron | Bugatti | Report |
| 9 April | Antibes Grand Prix | Garoupe | Louis Chiron | Bugatti | Report |
| 22 April | Alessandria Circuit | Alessandria | Tazio Nuvolari | Bugatti | Report |
| 6 May | Coppa Florio | Madonie | Albert Divo | Bugatti | Report |
| 6 May | Targa Florio | Madonie | Albert Divo | Bugatti | Report |
| 6 May | Algerian Grand Prix | Staouéli | Marcel Lehoux | Bugatti | Report |
| 13 May | Messina Cup | Messina | Edwald Probst | Bugatti | Report |
| 16 May | Burgundy Grand Prix | Dijon | Jannine Jennky | Bugatti | Report |
| 20 May | Etna Cup | Catania | Baconin Borzacchini | Maserati | Report |
| 3 June | Tunis Grand Prix | Le Bardo | Marcel Lehoux | Bugatti | Report |
| 3 June | Mugello Circuit | Mugello | Emilio Materassi | Talbot | Report |
| 10 June | Picardy Grand Prix | Péronne | Henry Auber | Bugatti | Report |
| 10 June |  Thuin Circuit | Thuin | "Delzaert" | Bugatti | Report |
| 12 June | Rome Grand Prix | Tre Fontane | Louis Chiron | Bugatti | Report |
| 24 June | Cremona Circuit | Cremona | Luigi Arcangeli | Talbot | Report |
| 8 July | Grand Prix de la Marne | Reims-Gueux | Louis Chiron | Bugatti | Report |
| 25 July |  San Sebastián Grand Prix | Lasarte | Louis Chiron | Bugatti | Report |
| 4 August | Coppa Acerbo | Pescara | Giuseppe Campari | Alfa Romeo | Report |
| 19 August | Coppa Montenero | Montenero | Emilio Materassi | Talbot | Report |
| 23 August | La Baule Grand Prix | La Baule | Pierre Blacque Belair | Bugatti | Report |
| 9 September | Boulogne Grand Prix | Boulogne |  Malcolm Campbell | Delage | Report |