"Burn" is a song by English singer Ellie Goulding from Halcyon Days (2013), the reissue of her second studio album, Halcyon (2012). The song was written by Ryan Tedder, Goulding, Greg Kurstin, Noel Zancanella and Brent Kutzle, while production was handled by Kurstin and vocal production was done by Tedder. It was released on 5 July 2013 as the lead single from the reissue.
Upon its release, "Burn" was met with a mixed response from music critics, who praised it as "catchy" and noted it as one of Goulding's most radio-friendly songs to date, while others felt it was not memorable. It earned Goulding her first number-one single on the UK Singles Chart, selling 116,857 copies in its first week and staying atop the chart for three consecutive weeks. The track attained similar success internationally, reaching the top ten in countries such as Australia, Austria, Belgium, Germany, Ireland, Italy, New Zealand and Sweden.
An accompanying music video for the song, which premiered on 7 July 2013, portrays Goulding performing on an air field, and later being joined by her friends with lights in the evening.