| Japanese Heavyweight Championship | |
| Promotion: | Japan Pro Wrestling Alliance |
| Firstchamp: | Rikidōzan |
| Longestreign: | Rikidōzan |
The Japanese Heavyweight Championship was a professional wrestling championship defended in the Japan Pro Wrestling Alliance. The championship belt was later used by WAR for their J-1 Heavyweight Championship, held by Genichiro Tenryu.
| width=20% | Wrestler: | width=5% | Times: | width=15% | Date: | width=10% | Location: | width=50% | Notes: |
|---|---|---|---|---|---|---|---|---|---|
| Rikidōzan | 1 | December 22, 1954 | Tokyo, Japan | Defeats Masahiko Kimura. | |||||
| Title retired | August 27, 1958 | Championship vacated when Rikidozan wins the All Asia Heavyweight Championship and later the NWA International Heavyweight Championship. |