The 2021 Holiday Bash was the second annual Holiday Bash professional wrestling Christmas television special produced by All Elite Wrestling (AEW). It took place on December 22, 2021, at the Greensboro Coliseum in Greensboro, North Carolina. The two-part event was broadcast on TNT as special episodes of AEW's weekly television programs, Wednesday Night Dynamite and Friday Night Rampage. Dynamite aired live while Rampage aired on tape delay on December 25 at 9pm ET as a special Saturday night episode, which was moved back from its usual Friday night 10pm ET slot because of TNT's traditional holiday marathon showing of A Christmas Story.

AEW Holiday Bash is an annual professional wrestling television special produced by the American promotion All Elite Wrestling (AEW). Established in 2020, the event airs in December as AEW's Christmas special. The inaugural 2020 event aired as a special episode of the promotion's flagship weekly television program, Wednesday Night Dynamite, while the 2021 event expanded the special to two nights, with the second part airing as a special episode of Friday Night Rampage. The 2023 event then expanded the special to three nights, with the third part airing as a special episode of Saturday Night Collision.