The 2021 SBS Gayon Daejeon has announced the full lineup of twenty-five (25) artists who will be performing at the event.

On December 16, Thursday, the lineup has been revealed by the annual year-end program which will feature artists who will perform their hit songs.

SHINee's Key, Red Velvet, aespa, NCT 127, NCT DREAM, NU'EST, Stray Kids, ITZY, TXT, ASTRO, ENHYPHEN, STAYC, Oh My Girl, THEY BOYZ, IVE, ATEEZ, WOODZ, (G)I-DLE's Minnie, SF9's Taeyang, Lee Chaeyeon, Gray, Loco, Lee Hi, and Simon Dominic are the artists confirmed to perform at the 2021 SBS Gayo Daejeon.

The theme for this year's Gayo Daejeon will be "Welcome" and it will be held offline for the first time since 2019, with the idea of welcoming the hopeful wish of artists and fans being able to meet once again. 

The event will be hosted by SHINee's KEY, ITZY's Yuna, and Boom. It will also feature special collaboration stages that have not been seen by anyone yet. It will be held at Namdong Gymnasium in Incheon on December 25, 6 P.M. KST.