1983 All Japan Endurance Championship

The 1983 All Japan Endurance Championship was the inaugural season of the All Japan Sports Prototype Championship. The series champion was the #1 Trust Racing Team Porsche 956 driven by Australian Vern Schuppan, who earlier in the year had won the 1983 24 Hours of Le Mans.

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 * For the WEC-Japan event, JSPC teams used different car numbers to avoid conflicts with the car numbers of the entrants of the World Sportscar Championship; each car's WEC-Japan race number is displayed in tooltips.

Schedule
All races were held in Japan.

Season results
Season results are as follows: