List of M Countdown Chart winners (2020)

Every week, the show awards the best-performing single on the chart in the country during its live broadcast.

In 2020, 33 singles ranked number one on the chart and 25 music acts received first-place trophies.

Two songs collected trophies for three weeks and achieved a triple crown: "Wannabe" and "Not Shy", both by Itzy.

Of all releases for the year, only two songs earned a perfect score of 11,000 points: "On" by BTS and "I'm in Trouble" by NU'EST.

[citation needed] Scoring System: Digital Sales (Melon, Genie, FLO) (45%), Album Sales (15%), Social Media (YouTube MV views) (15%), Global Fan Vote (15%), Mnet Broadcast (Mnet TV, MCD Stage, M2 Contents) (10%), Live Vote (for 1st nominees only) (10%).

Itzy achieved their first M Countdown triple crown in 2020 and were the only artist to do so twice for the year, with their songs " Wannabe " and " Not Shy ".
Iz*One achieved three number one singles on M Countdown : " Fiesta ", " Secret Story of the Swan ", and " Panorama ", the most of any act in 2020.
Sechs Kies won their first M Countdown trophy with " All for You ".