The 1947 Italian Grand Prix was a Grand Prix motor race held in Portello district on 7 September 1947.

No	Driver	Entrant	Constructor	Chassis
2	Alessandro Gaboardi	Alfa Romeo SpA	Alfa Romeo	Alfa Romeo 158
4	Nello Pagani	Scuderia Milano	Maserati	Maserati 4CL
6	Luigi Villoresi	Scuderia Ambrosiana	Maserati	Maserati 4CLT
8	Raymond Sommer	Private	Maserati	Maserati 4CL
10	Lamberto Grolla	Private	Cisitalia	Cisitalia D46 – Fiat
12	Eugène Chaboud	Private	Delahaye	Delahaye 135S
14	Pierre Levegh	Ecurie Naphtra Course	Maserati	Maserati 4CL
16	Achille Varzi	Alfa Romeo SpA	Alfa Romeo	Alfa Romeo 158
18	Louis Chiron	Enrico Platé	Maserati	Maserati 4CL
22	Charles Pozzi	Private	Delahaye	Delahaye 135S
24	Consalvo Sanesi	Alfa Romeo SpA	Alfa Romeo	Alfa Romeo 158
26	Prince Bira	Scuderia Milano	Maserati	Maserati 4CL
28	Giovanni Bracco	Private	Delage	Delage 3000
30	Carlo Felice Trossi	Alfa Romeo SpA	Alfa Romeo	Alfa Romeo 158
32	Toulo de Graffenried	Private	Maserati	Maserati 4CL
34	Alberto Ascari	Scuderia Ambrosiana	Maserati	Maserati 4CL
36	"Raph"	Ecurie Naphtra Course	Maserati	Maserati 4CL
38	Arialdo Ruggeri	Scuderia Milano	Maserati	Maserati 4CL
42	Gaetano dell'Acqua	Private	Maserati	Maserati 6CM
44	Carlo Pesci	Private	Maserati	Maserati 6CM
46	Giovanni Minozzi	Private	Maserati	Maserati 6CM
48	Renato Balestrero	Private	Maserati	Maserati
52	Lorenzo Arrigoni	Private	Maserati	Maserati 6CM
54	Henri Louveau	Ecurie Gersac	Delage	Delage D6.70
56	Mario Porrino	Private	Cisitalia	Cisitalia D46 – Fiat

Pos	No	Driver	Constructor	Lap Time
1	24	Consalvo Sanesi	Alfa Romeo	1:44.0
2	30	Carlo Felice Trossi	Alfa Romeo	1:44.8
3	6	Luigi Villoresi	Maserati	1:45.4
4	16	Achille Varzi	Alfa Romeo	1:47.0
5	34	Alberto Ascari	Maserati	1:47.2
6	18	Louis Chiron	Maserati	1:47.6
7	8	Raymond Sommer	Maserati	1:47.6
8	32	Toulo de Graffenried	Maserati	1:48.8
9	2	Alessandro Gaboardi	Alfa Romeo	1:51.8
10	14	Pierre Levegh	Maserati	1:53.6
11	52	Lorenzo Arrigoni	Maserati	1:58.6
12	36	"Raph"	Maserati	1:58.8
13	12	Eugène Chaboud	Delahaye	1:59.8
14	22	Charles Pozzi	Delahaye	2:00.2
15	38	Arialdo Ruggeri	Maserati	2:00.8
16	46	Giovanni Minozzi	Maserati	2:00.8
17	42	Gaetano dell'Acqua	Maserati	2:01.4
18	28	Giovanni Bracco	Delage	2:01.5
19	10	Lamberto Grolla	Cisitalia-Fiat	2:03.4
20	56	Mario Porrino	Cisitalia-Fiat	2:03.6
21	44	Carlo Pesci	Maserati	2:03.8
22	54	Henri Louveau	Delage	2:05.8
23	26	Prince Bira	Maserati	2:06.0
24	4	Nello Pagani	Maserati	2:10.0

Pos	No	Driver	Constructor	Laps	Time/Retired	Grid
1	30	Carlo Felice Trossi	Alfa Romeo	100	3:02:25.0	2
2	16	Achille Varzi	Alfa Romeo	100	+0.1	4
3	24	Consalvo Sanesi	Alfa Romeo	99	+1 Lap	1
4	2	Alessandro Gaboardi	Alfa Romeo	95	+5 Laps	9
5	34	Alberto Ascari	Maserati	94	+6 Laps	5
6	54	Henri Louveau	Delage	91	+9 Laps	22
7	22	Charles Pozzi	Delahaye	89	+11 Laps	14
8	12	Eugène Chaboud	Delahaye	87	+13 Laps	13
9	44	Carlo Pesci	Maserati	84	+16 Laps	21
Ret	56	Mario Porrino	Cisitalia-Fiat	56		20
Ret	52	Lorenzo Arrigoni	Maserati	56		11
Ret	10	Lamberto Grolla	Cisitalia-Fiat	56		19
Ret	28	Giovanni Bracco	Delage	53		18
Ret	6	Luigi Villoresi	Maserati	53	Brakes	3
Ret	42	Gaetano dell'Acqua	Maserati	23		17
Ret	8	Raymond Sommer	Maserati	20	Engine	7
Ret	14	Pierre Levegh	Maserati	6		10
Ret	36	"Raph"	Maserati	3	Oil pipe	12
Ret	4	Nello Pagani	Maserati	2	Tyres	24
Ret	26	Prince Bira	Maserati	0	Supercharger	23
Ret	18	Louis Chiron	Maserati			6
Ret	32	Toulo de Graffenried	Maserati			8
DNS	38	Arialdo Ruggeri	Maserati			15
DNS	46	Giovanni Minozzi	Maserati			16