"Everyone" is the official theme song of the 2010 Summer Youth Olympics held in Singapore from 14 to 26 August 2010. The song was sung by five artistes, namely Sean Kingston, Tabitha Nauser, Jody Williams, Stevie Appleton and Jessica Mauboy, each representing one of the five continents of the world. It was written and produced by Singaporean producer and composer Ken Lim.

The song premiered worldwide on 30 May 2010, with a total length of 3 minutes and 40 seconds, and it was complemented by a music video six seconds longer than the song. "Everyone" was released as a CD single only in Singapore on 14 June 2010. Traditionally, the modern Olympic Games has always featured theme song specifically for each games, typically sung by a singer of the host country. Everyone was the first ever theme song for the Youth Olympic Games (YOG), in what the Singapore Youth Olympic Games Organising Committee (SYOGOC) said would create "a global anthem for today's youth".Everyone was not the only song created for the games; the Singapore Sports Council was involved in the production of cheer songs for Singaporeans.

Most of the Olympic Games in contemporary years have featured a song(s), many of which were branded the official theme song of the games. Typically, the songs would be sung by an artiste from the host country, centering upon a theme related to the Olympics or the spirit of the games. Many of these songs have gone on to do well in music charts, the most recent example before Everyone being that of I Believe by Nikki Yanofsky, which topped the Canadian Hot 100 list dated 27 February 2010.

The tradition of carrying a song alongside the games continued with the inaugural Youth Olympic Games, much as it was a departure from the senior Olympics. SYOGOC was quoted to be confident that the song and its music video "will hit the right notes". Additionally, Teo Ser Luck, Senior Parliamentary Secretary for Community Development, Youth and Sports commented that through the song, "more people will take notice of Youth Olympic Games. We need that excitement and publicity, definitely, for Youth Olympic Games to be successful."

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