World Woman Pro-Wrestling Diana World Championship

The World Woman Pro-Wrestling Diana World Championship (often known as the WWWD Certified World Singles Championship) is a women's professional wrestling championship promoted by the Japanese professional wrestling promotions World Woman Pro-Wrestling Diana. During its existence, the title has been promoted by various other promotions such as Pro Wrestling Wave on World Wonder Ring Stardom while held by certain wrestlers who were part of other promotions World.

Like most professional wrestling championships, the title is won as a result of a scripted match. There have been a total of 17 reigns and one vacancy shared between 10 different champions. The current title holder is Haruka Umesaki who is in her first reign.

Title History
On April 29, 2013, Kyoko Inoue, the founder of Diana, became the inaugural champion by defeating Jaime D during the main event of Diana's second anniversary show. On November 20, 2021, Inoue who was in her fourth reign vacated the championship after sustaining an injury. On January 23, 2022, Nagisa Nozaki defeated a former titleholder Ayako Sato to win the vacant championship.

Reigns
As of July 29, 2024, there have been 17 reigns between 10 champions and one vacancy. Kyoko Inoue was the inaugural champion. She also holds the record for most reigns at four. Inoue the oldest champion at 51 years old, while Haruka Umesaki is the youngest at 22. Inoue's third reign is the longest at 511 days, while Asuka's reign is the shortest at 42 days.

Umesaki is the current champion in her first reign. She won the title by defeating Sato on April 29, 2023, in Tokyo, Japan.

Combined reigns
As of July 29, 2024.