See all the 2021 Number One hits from the UK below and find out who had the longest running number one in the UK singles chart. Click on a Song Title to view full details of any song from the UK 2021 singles chart.
|Artist||Song Title||Weeks at Number One||Date|
|Olivia Rodrigo||Drivers License||1||15-01-2021|
|Little Mix||Sweet Melody||1||08-01-2021|