The 1983 Nations motorcycle Grand Prix was the third race of the 1983 Grand Prix motorcycle racing season. It took place on the weekend of 22–24 April 1983 at the Autodromo Nazionale Monza.

Balapan F1 musim 2004

Pos.	Rider	Team	Machine	Time/Retired	Points
1	Freddie Spencer	HRC-Honda	NS500	45'46.570	15
2	Randy Mamola	HB Sinclair-Suzuki	RG500	+7.660	12
3	Eddie Lawson	Marlboro Agostini-Yamaha	YZR500	+17.750	10
4	Franco Uncini	HB Gallina-Suzuki	RG500	+24.380	8
5	Takazumi Katayama	HRC-Honda	NS500	+33.730	6
6	Raymond Roche	Moto Club Paul Ricard	NS500	+42.810	5
7	Marc Fontan	Sonauto Gauloises-Yamaha	YZR500	+1'16.300	4
8	Sergio Pellandini	Carimati-Pezzani Racing	RG500	+1'21.860	3
9	Barry Sheene	Heron-Suzuki	RG500	+1'28.230	2
10	Marco Lucchinelli	HRC-Honda	NS500	+1'33.180	1
11	Virginio Ferrari	Cagiva	GP500	+1'41.530
12	Walter Magliorati	Moto Club Carate	RG500	+1'41.590
13	Gustav Reiner	Krauter-Vertrieb Racing	RG500	+1'47.950
14	Peter Sjöström	Jeb’s Helmet Sweden	RG500	+1'48.330
15	Steve Parrish	Mitsui-Yamaha	YZR500	+1 lap
16	Marco Papa		RG500	+1 lap
17	Wolfgang von Muralt		RG500	+1 lap
18	Marco Greco		RG500	+1 lap
19	Lorenzo Ghiselli		RG500	+1 lap
20	Paolo Ferretti		RG500	+1 lap
21	Andreas Hofmann		RG500	+1 lap
22	Leandro Becheroni		RG500	+1 lap
23	Corrado Tuzii	Beton Bloc Racing	RS500	+1 lap
24	Chris Guy		RG500	+1 lap
25	Franz Kaserer		RG500	+2 laps
26	Peter Huber		RG500	+2 laps
Ret	Kenny Roberts	Marlboro Agostini Yamaha	YZR500	Retired
Ret	Ron Haslam	HRC-Honda	NS500	Retired
Ret	Gianni Pelletier	Hirt Giapauto-Honda	RS500	Retired
Ret	Ernst Gschwender	MO Motul Racing Team	RG500	Retired
Ret	Dave Dean		RS500	Retired
Ret	Boet van Dulmen	Shell Nederland-Suzuki	RG500	Retired
Ret	Alain Rothlisberger		YZR500	Retired
Ret	Keith Huewen	Heron-Suzuki	RG500	Retired
Ret	Jack Middelburg	Stichting Ned-Honda	RS500	Retired
Ret	Philippe Coulon	Marlboro-Suzuki	RG500	Retired
DNS	Didier de Radiguès	Team Johnson Elf	RS500	Did not start
DNQ	Jon Ekerold	Cagiva	GP500	Did not qualify
Sources: [2][3]