"You're Beautiful" is a song co-written by British singer James Blunt, Sacha Skarbek, and Amanda Ghost for Blunt's debut album Back to Bedlam (2004). It was released as the third single from the album in 2005. In the UK and Australia the song reached number one and number two respectively. When released as the debut single from Back to Bedlam in Canada and the U.S., it reached number one on both charts and received widespread airplay. In 2006, the song won an Ivor Novello Award for airplay. The song has sold 625,000 copies in the UK as stated by the Official UK Charts Company, and 2,866,000 in the US by November 2011. It remains Blunt's biggest hit single in the USA to date, and his only one to reach the Top 40 of the Billboard Hot 100. In 2012, a new version of the single was issued in Japan. The Q;indivi+ Remix, featuring Japanese performer Keri, was issued on March 28, 2012.

The song was met with polarized reaction from critics. About.com gave the song 4 and a half stars out of 5, saying "The simple power of Blunt's songwriting is effective at conveying the pain of realizing he will never be with the object of his affections."

"You're Beautiful" was ranked number seven in a poll conducted by Rolling Stone to identify the 10 most annoying songs. VH1 ranked it number 95 on its list of the 100 Greatest Songs of the '00s.

"You're Beautiful" is Blunt's most successful single release to date. It was also his first successful single, and reached number one in ten countries across the world, including the United Kingdom, the United States, Spain, Canada, and the Netherlands. The song peaked within the top five in Australia, France, and Germany. "You're Beautiful" accomplished a feat rarely seen on the modern UK Singles Chart by ascending the chart following its début.