O-40 Championship
The O-40 Championship is a professional wrestling championship in the Japanese promotion DDT Pro-Wrestling. The title was established in 2019 by Super Sasadango Machine in order to provide a title for wrestlers over 40 years old. The current champion is Daisuke Sasaki, who is in his first reign.
Title history
As of ,, there have been a total of eight reigns held between seven different champions and two vacancies. The current champion is Daisuke Sasaki, who is in his first reign. He defeated Antonio Honda at Shout Your Love in the Ring of Hama!, on November 22, 2025 in Yokohama, Japan.Combined reigns
| Rank | Wrestler | No. of reigns | Combined defenses | Combined days |
| 1 | 2 | 0 | 854 | |
| 2 | 1 | 2 | 406 | |
| 3 | 1 | 1 | 364 | |
| 4 | 1 | 0 | 213 | |
| 5 | Azul Dragon | 1 | 1 | 183 |
| 6 | 1 | 1 | 76 | |
| 7 | † | 1 | 0 | + |