1989 All Japan Sports Prototype Car Endurance Championship

The 1989 All Japan Sports Prototype Car Endurance Championship was the seventh season of the All Japan Sports Prototype Championship. The 1989 champion was the #25 Advan Alpha Nova Porsche 962C driven by Kunimitsu Takahashi.

Schedule
All races were held in Japan.
 * – Round 4 at the Suzuka Circuit was originally scheduled for 27 August; however, due to a typhoon the race was rescheduled for 3 December.

Season results
Season results as follows: