"Nuclear Seasons" is a song by British singer Charli XCX taken from her debut extended play (EP), You're the One (2012), and was later included on her debut studio album, True Romance (2013). It was released as the EP's second single on 21 October 2011 through This Is Music, Atlantic, and Warner Music UK. "Nuclear Seasons" was written by Charli, Justin Raisen, and Ariel Rechtshaid, while the latter produced the song.

Charlotte Emma Aitchison, known professionally as Charli XCX, is an English singer and songwriter. Born in Cambridge and raised in Start Hill, Essex, she began posting songs on Myspace in 2008, which led to her discovery by a promoter who invited her to perform at warehouse raves. In 2010, she signed a recording contract with Asylum Records, releasing a series of singles and mixtapes throughout 2011 and 2012.