List of UK Dance Singles Chart number ones of 2021

The UK Dance Singles Chart is a weekly music chart compiled in the United Kingdom by the Official Charts Company (OCC) from sales of songs in the dance music genre (house, drum and bass, dubstep, etc.) in record stores and digital downloads. The chart week runs from Friday to Thursday with the chart-date given as the following Thursday.

This is a list of the songs which were number one on the UK Dance Singles Chart during 2021.

Chart history

 * – the single was simultaneously number-one on the singles chart.