Sophie Xeon (/ˈziːɒn/; 17 September 1986 – 30 January 2021), known mononymously as Sophie (stylised in all caps), was a Scottish music producer, songwriter, and DJ. Sophie's work was known for its brash take on pop music and distinguished by experimental sound design, "sugary" synthesized textures, and incorporation of influences from underground dance styles. It would help pioneer the 2010s hyperpop microgenre.
Sophie, who initially remained anonymous and later came out as a transgender woman, came to prominence with the breakthrough singles "Bipp" (2013) and "Lemonade" (2014), which were compiled on the singles collection Product (2015). Sophie's only studio album Oil of Every Pearl's Un-Insides followed in 2018, earning a nomination for the Grammy Award for Best Dance/Electronic Album. Sophie worked closely with artists from the PC Music label, including A. G. Cook and GFOTY, and also produced for acts such as Charli XCX, Vince Staples, Kim Petras, Madonna, Let's Eat Grandma, and Namie Amuro.