Przeboje 2021 roku – numery 1 listy Billboard Hot 100

1. 2.01
   All I Want For Christmas Is YouMariah Carey
   1 tydz.
2. 9.01–16.01
   Mood24kGoldn Featuring iann dior
   2 tyg.
3. 23.01–13.03
   Drivers LicenseOlivia Rodrigo
   8 tyg.
4. 20.03
   What's NextDrake
   1 tydz.
5. 27.03
   UpCardi B
   1 tydz.
6. 3.04
   PeachesJustin Bieber Featuring Daniel Caesar & Giveon
   1 tydz.
7. 10.04
   Montero (Call Me By Your Name)Lil Nas X
   1 tydz.
8. 17.04
   Leave The Door OpenSilk Sonic (Bruno Mars & Anderson .Paak)
   1 tydz.
9. 24.04–1.05
   RapstarPolo G
   2 tyg.
10. 8.05–15.05 ♪
    Save Your TearsThe Weeknd & Ariana Grande
    2 tyg.
11. 22.05
    Leave The Door OpenSilk Sonic (Bruno Mars & Anderson .Paak)
    1 tydz.
12. 29.05
    Good 4 UOlivia Rodrigo
    1 tydz.
13. 5.06–17.07
    ButterBTS
    7 tyg.
14. 24.07
    Permission To DanceBTS
    1 tydz.
15. 31.07–7.08
    ButterBTS
    2 tyg.
16. 14.08–4.09
    StayThe Kid LAROI & Justin Bieber
    4 tyg.
17. 11.09
    ButterBTS
    1 tydz.
18. 18.09 ♪
    Way 2 SexyDrake Featuring Future & Young Thug
    1 tydz.
19. 25.09–2.10
    StayThe Kid LAROI & Justin Bieber
    2 tyg.
20. 9.10
    My UniverseColdplay x BTS
    1 tydz.
21. 16.10
    StayThe Kid LAROI & Justin Bieber
    1 tydz.
22. 23.10
    Industry BabyLil Nas X & Jack Harlow
    1 tydz.
23. 30.10–20.11
    Easy On MeAdele
    4 tyg.
24. 27.11 ♪
    All Too Well (Taylor's Version)Taylor Swift
    1 tydz.
25. 4.12–18.12
    Easy On MeAdele
    3 tyg.
26. 25.12
    All I Want For Christmas Is YouMariah Carey
    1 tydz.

Źródło notowań: Billboard Hot 100 (dane: projekt billboard-hot-100 na GitHubie).