The Princess of Princess Championship is a women's professional wrestling championship owned by the Tokyo Joshi Pro Wrestling (TJPW). The title, which is situated at the top of TJPW's championship hierarchy, was introduced on October 12, 2015, and the inaugural champion was crowned on January 4, 2016, when Miyu Yamashita defeated Shoko Nakajima. Like most professional wrestling championships, the title is won as a result of a scripted match. The current champion is Miu Watanabe, who is in her first reign. She defeated Miyu Yamashita at Grand Princess on March 31, 2024 in Tokyo, Japan.

Miyu Yamashita is a Japanese professional wrestler signed to Tokyo Joshi Pro Wrestling. Yamashita was trained by DDT Pro Wrestling's Kyohei Mikami, and made her debut in August 2013 as one of the first members of DDT's all female Tokyo Joshi Pro sister promotion.