The 42nd Blue Dragon Film Awards () ceremony was held on November 26, 2021, at KBS Hall in Yeouido, Seoul. Organized by Sports Chosun (a sister brand of Chosun Ilbo). It was aired live on KBS2 at 20:30 (KST). 18 categories were awarded at the 42nd edition of awards ceremony, hosted by Kim Hye-soo (28th time) and Yoo Yeon-seok (4th time). The nominations for 15 categories were announced for the 172 Korean films released from October 30, 2020, to October 14, 2021, on November 1, 2021. Escape from Mogadishu got 13 nominations in 10 categories, and won 6 awards including best film, popular film and popular star awards.
The nominees for the 42nd Blue Dragon Film Awards were announced on November 1, 2021.
Winners are listed first, highlighted in boldface, and indicated with a double dagger ().
The following films received multiple nominations and awards: