Savelina Fanene is an Australian-American professional wrestler. She is currently signed to WWE, where she performs on the SmackDown brand under the ring name Nia Jax. She is a former one-time Raw Women's Champion and a former two-time WWE Women's Tag Team Champion.

The WWE Women's Championship is a women's professional wrestling world championship created and promoted by the American promotion WWE, defended on the SmackDown brand division. It is one of two women's world titles for WWE's main roster, along with the Women's World Championship on Raw. The current champion is Bayley, who is in her second reign. She won the title by defeating Iyo Sky during night two of WrestleMania XL on April 7, 2024.