1987 All Japan Sports Prototype Car Endurance Championship

The 1987 All Japan Sports Prototype Car Endurance Championship was the fifth season of the All Japan Sports Prototype Championship. The 1987 champion was the #1 Advan Alpha Nova Porsche 962C driven by Kunimitsu Takahashi.

C/LD-1

 * 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 as follows: