IWA World Heavyweight Championship (IWA Japan)

The IWA World Heavyweight Championship (IWA世界ヘビー級王座) was a title used on the Japanese independent circuit. The title was the world heavyweight championship of the International Wrestling Association of Japan (IWA Japan). It was later revived in the women's wrestling promotion Gatoh Move Pro Wrestling, where it became part of the IWA Triple Crown Championship (IWA三冠統一王座) with a separate reign history.