1983 Nations motorcycle Grand Prix

Date24 April 1983

Official nameGran Premio delle Nazioni^[1]

LocationAutodromo Nazionale Monza

Course

• Permanent racing facility
• 5.800 km (3.604 mi)

  1983 Nations Grand Prix

Race details
Race 3 of 12 races in the 1983 Grand Prix motorcycle racing season
Date	24 April 1983
Official name	Gran Premio delle Nazioni[1]
Location	Autodromo Nazionale Monza
Course	Permanent racing facility 5.800 km (3.604 mi)
500cc
Pole position Rider Kenny Roberts Time 1:52.690 Fastest lap Rider Kenny Roberts Time 1:52.800 Podium First Freddie Spencer Second Randy Mamola Third Eddie Lawson
250cc
Pole position Rider Patrick Fernandez Time 2:01.210 Fastest lap Rider Iván Palazzese Time 2:00.570 Podium First Carlos Lavado Second Thierry Espié Third Manfred Herweh
125cc
Pole position Rider Ángel Nieto Time 2:07.570 Fastest lap Rider Ángel Nieto Time 2:06.740 Podium First Ángel Nieto Second Eugenio Lazzarini Third Ezio Gianola
50cc
Pole position Rider Stefan Dörflinger Time 2:24.560 Fastest lap Rider Eugenio Lazzarini Time 2:27.760 Podium First Eugenio Lazzarini Second Claudio Lusuardi Third George Looijesteijn

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.