| | | | Name | Title Reign | Title Recognition | Successful Defenses | |
| | | 1. | Joe Calzaghe | 10 years, 11 months, 15 days | IBF, WBA, WBO, WBC, The Ring | 21 | |
| | | 2. | Sven Ottke | 5 years, 5 months, 3 days | IBF, WBA (Super) | 21 | |
| | | 3. | Frankie Liles | 4 years, 10 months, 0 days | WBA | 8 | |
| | | 4. | Lucian Bute | 4 years, 7 months, 7 days | IBF | 9 | |
| | | 5. | Chris Eubank | 4 years, 4 months, 0 days | WBO | 14 | |
| | | 6. | Andre Ward | 4 years, 6 months, 3 weeks and 1 day | WBA (Super), WBC, The Ring | 6 | |
| | | 7. | Chong-Pal Park | 3 years, 7 months, 17 days | IBF, WBA | 10 | |
| | | 8. | Nigel Benn | 3 years, 4 months, 28 days | WBC | 9 | |
| | | 9. | Robert Stieglitz | 3 years, 0 months, 3 days | WBO | 6 | |
| | | 10. | Mikkel Kessler | 2 years, 11 months, 23 days | WBA (Super) | 4 | |
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