List of UK Rock & Metal Singles Chart number ones of 2015

The UK Rock & Metal Singles Chart is a record chart which ranks the best-selling rock and heavy metal songs in the United Kingdom. Compiled and published by the Official Charts Company, the data is based on each track's weekly physical sales, digital downloads and streams. In 2015, there were 17 singles that topped the 52 published charts. The first number-one single of the year was "Drown" by Bring Me the Horizon, the first single from the band's fifth studio album That's the Spirit, which spent the first two weeks atop the chart. The final number-one single of the year was the 2003 release "Christmas Time (Don't Let the Bells End)" by The Darkness, which reached number one for the week ending 17 December and remained there for the last three weeks of the year.

The most successful song on the UK Rock & Metal Singles Chart in 2015 was "Throne", the third single from Bring Me the Horizon's fifth studio album That's the Spirit, which spent a total of 14 weeks at number one during the year including a single run of 12 consecutive weeks. The band also topped the chart with three more singles, spending a total of 19 weeks at number one. Fall Out Boy's "Centuries" also spent 14 weeks at number one during the year, while the band spent seven more weeks at number one with the singles "Irresistible", "Uma Thurman" and "Immortals". Muse spent four weeks at number one with "Psycho", "Dead Inside" and "Mercy". "Christmas Time (Don't Let the Bells End)" by The Darkness was number one for three weeks and AC/DC's "Thunderstruck" was number one for two weeks.