Wanna One (Korean: 워너원; Japanese: ワナワン; also stylized as WANNA-ONE) was an 11-member boy group under Swing Entertainment. They debuted on August 7, 2017 with their first mini album 1X1=1 (To Be One).

They were formed through Mnet's survival reality show Produce 101 Season 2, were they promoted together with a contract of two years. Their contracts ended on December 31, 2018 but they officially concluded their activities on January 27, 2019, following their last concert Therefore.

On January 10, 2022, it was announced that the group would release the song "Beautiful (Part Ⅲ)", which they performed at the 2021 Mnet Asian Music Awards, as a single on January 27. Swing Entertainment also launched the group's YouTube channel for archive purposes.