International Wrestling Alliance
World Heavyweight Title

Killer Kowalski	64/10
Recognized as first champion.
Dominic Denucci	64/11/07	Melbourne
Ray Stevens	65/01	Sydney
Dominic Denucci [2]	65/01	Melbourne
Mitsu Arakawa	65/05<
Hercules Cortez	65/06<
Killer Kowalski [2]	65/06
Spiros Arion	65/08/06	Sydney
Karl Krauser (Karl Gotch)	65	Melbourne
Spiros Arion [2]	65
Killer Kowalski [3]	65/12	Honolulu, HI *
Dominic Denucci [3]	66/02/12	Sydney
Toru Tanaka	66/06/03	Sydney
Mark Lewin	66/07/09	Melbourne
Skull Murphy	66/08/13	Melbourne
Bearcat Wright	66/08/19	Sydney
The Destroyer (Guy Mitchell)	66/09/03	Melbourne
Spiros Arion [2]	66/10/29	Melbourne
Ray Stevens [2]	66/12/02	Sydney
Billy White Wolf (Adon Kaissey)	67/02/11	Melbourne
Killer Kowalski [4]	67/05	Melbourne
Tex McKenzie	67/07	Melbourne
Skull Murphy [2]	67/08/12	Melbourne
Bearcat Wright [2]	67/08/19	Melbourne
Killer Kowalski [5]	67/09/01	Melbourne
Mario Milano	67/09/08	Sydney
King Curtis Iaukea	67/09/30	Sydney
Mark Lewin [2]	67/10/13	Sydney
Ripper Collins	67/10
Mario Milano [2]	67/10
Killer Karl Kox	68/01	Melbourne
Spiros Arion [3]	68/01	Melbourne
Gorilla Monsoon	68/02/16	Sydney
Spiros Arion [4]	68/03/22	Sydney
Baron Mikel Sciculna	68/06/15	Sydney
Mario Milano [3]	68/08	Melbourne
Toru Tanaka [2]	68/09/20	Sydney
Tex McKenzie [2]	68/11/15	Sydney
Skull Murphy [3]	68/11/18	Adelaide
Bob Ellis	69/02/07	Sydney
Killer Karl Kox [2]	69/02/14	Sydney
Spiros Arion [5]	69/02/21	Sydney
The Spoiler (Don Jardine)	69/04/04	Sydney
Mario Milano [4]	69/05/09	Sydney
IWA joins NWA in 69/08 but continues to recognize its own world champion.
Killer Karl Kox [3]	69/09/19	Sydney
Bill Robinson	69/10/31	Sydney
King Curtis Iaukea [2]	69/12/19	Sydney
Dominic Denucci [4]	70/01	Sydney
King Curtis Iaukea [3]	70/04<
Stan Stasiak	70/12
King Curtis Iaukea [4]	70/12
Title retired in 71.

* Replaced with Austra-Asian Heavyweight Title.