Anja Nissen (born 6 November 1995 in Winmalee, New South Wales) is an Australian singer. She is the winner of the third series of The Voice. She is signed to the will.i.am Music Group. She lists her influences as Patti LaBelle, Aretha Franklin, Celine Dion, and Mariah Carey.

The day after winning The Voice, it was announced that her debut single would be a song called "My Girls", written by Delta Goodrem for her fifth studio album, but offered up as the winner's single for a female contestant. However, on the eve of its release, it was announced to be scrapped for a song written by will.i.am. Nissen later said in an interview that the reason she scrapped the song was that it did not feel like her music style.

Nissen's debut self-titled album sold only 1952 copies in its first week of release, and was outsold by independent Australian acts; this was partly attributed to the lack of a lead single and the declining sales of "rush-released" singing competition winners' cover albums. Instead, Nissen recorded a collaboration with will.i.am and Cody Wise titled "I'm So Excited", which will feature on her album of new material, originally expected to be released by the end of 2014. She has begun writing material for the album in Los Angeles. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.