The Wave Single Championship is a women's professional wrestling championship owned by the Pro Wrestling Wave promotion. The title is nicknamed and more commonly referred to as the Regina di Wave Championship . The championship, which is situated at the top of Pro Wrestling Wave's championship hierarchy, was first announced on December 5, 2012. The inaugural champion was crowned on March 17, 2013, when Yumi Ohka defeated Kana in the finals of a five-woman tournament.

Pro Wrestling Wave , is a women's professional wrestling, or Joshi Puroresu, promotion created in 2007 after the dissolution and closure of JDStar. The company was formed by Mikiko Futagami, or Gami, former JDStar wrestler Yumi Ohka, and former JDStar booker Tatsuya Takeshi, who assumed the role of President for the new company. The company has had a very slow growth and grassroots rise, and is one of the few women's promotions in Japan to do shows on weekdays.