List of most-downloaded songs in the United Kingdom

A music download is the transfer of music as a digital file from a provider (such as iTunes) to a device capable of playing it; legal sales of music downloads have been monitored and charted in the United Kingdom since 2004. As of 4 January 2023, the UK's most downloaded song of all the time was "As It Was" by Harry Styles, which became the U.K.'s top-selling single and album. In 2021, "Bad Habits" by Ed Sheeran became one of the most streamed song of the year. In the year of 2020, "Head & Heart" by Joel Corry Ft. MNEK became one of the most trending songs of the time. As for in 2010s songs by singers like Rihanna, Adele, Vance Joy, Sia, James Arthur became famous.

Besides, as per 9 September 2014, the UK's most-downloaded song of all time is "Happy" by Pharrell Williams, which topped both the UK Singles Downloads Chart and UK Singles Chart.

The first single to sell 1 million downloads in the UK was "I Gotta Feeling" by The Black Eyed Peas and "Someone like You" and "Set Fire to the Rain" by Adele are the best-selling downloads by a female artist. The best-selling song not to top the UK Singles Chart is "Moves Like Jagger" by Maroon 5 featuring Christina Aguilera, whilst the best-selling song not to top the Download Chart is "Love the Way You Lie" by Eminem featuring Rihanna, which peaked at number two.