The 2020 Melon Music Awards ceremony, organized by Kakao M through its online music store, Melon, took place virtually from December 2 through December 5, 2020 (dubbed as "MMA Week") in South Korea, with the main ceremony taking place on December 5 at 19:00 KST. This is the twelfth ceremony in the show's history, and the first to be held online and over a span of four days. It was held without an audience due to the COVID-19 pandemic.^[1][2]

BTS won 6 awards during the ceremony, sweeping all three Grand Awards (Daesangs) including Artist of the Year for the second consecutive year.

Voting for Melon's Top 10 Artists category opened on the Melon Music website on November 11 and continued until November 20. Only artists who released music between November 30, 2019, and November 10, 2020, are eligible. The longlist of nominees was selected based on a chart performance score (60% downloads and 40% streams) for each artist combined with weekly Melon Popularity Award votes achieved during the eligibility period.^[3] Voting for Category awards, including daesang and rookie awards, took place from November 21–26, 2020.^[4]

Winners are listed first and highlighted in bold.^[5]

Day 1

• Jae Jae, Wyatt (ONF), Lee Dae-hwi (AB6IX), Lee Jang-jun (Golden Child) – opening segment
• Davichi – Best Ballad Award & brief Q&A segment

Day 2

• Jae Jae, Wyatt, Lee Dae-hwi, Lee Jang-jun – opening segment
• Jo Jung-suk – Best OST & brief Q&A segment

Day 3

• Jeong Se-woon, Dr. Seo Chang-hun, Weeekly, Crying Nut – "The-Play" segment
• Shin Seok-cheol, Hong Soo-jin, Choi-hoon, Kim Hyun-ah, Juckjae – presented Best Session Instrumental Award & brief Q&A segment

Day 4

• Jeff Benjamin, David Amber, Mayu Wakisaka, Danny Lee, Andreas Oberg – opening Q&A segment
• Bae Suzy – narrator for intro and outro
• Yoo Yeon-seok – opening introduction
• Yoo Jae-suk – presented Album of the Year
• Kim Jun-soo – presented Best Dance Awards
• Ock Joo-hyun – presented Song of the Year
• Yoo Hee-yeol – presented Artist of the Year