| Championshipname: | CWA World Heavyweight Championship |
| Promotion: | Catch Wrestling Association |
| Created: | August 2, 1973 |
| Mostreigns: | Otto Wanz and Rambo (4 reigns) |
| Firstchamp: | Otto Wanz |
| Longestreign: | Otto Wanz (3,172 days) |
| Shortestreign: | Bull Power (111 days) |
| Titleretired: | December 4, 1999 |
The CWA World Heavyweight Championship was a professional wrestling world heavyweight championship and the top title of the German professional wrestling promotion Internationalen Berufsringer Verbandes (IBV), later renamed the Catch Wrestling Association (CWA) in the title's honour. The title was created on August 2, 1973 and deactivated on December 4, 1999. The championship was contested under 15 three-minute rounds.
The title changed hands in four countries South Africa, Austria, the United States, and Germany and three continents - Africa, Europe, and North America.
| Rank | Wrestler | No. of reigns | Combined days | |
|---|---|---|---|---|
| 1 | Otto Wanz | 4 | 5,635 | |
| 2 | Rambo | 4 | 1,981 | |
| 3 | Marshall Duke | 1 | 442 | |
| 4 | Leon White / Bull Power | 3 | 420 | |
| 5 | Ludvig Borga | 1 | 371 | |
| 6 | Don Leo Jonathan | 1 | 317 | |
| 7 | Road Warrior Hawk | 1 | 196 |