"Movin' On Without You" is a song recorded by Japanese American recording artist and producer Hikaru Utada taken from her debut studio album First Love (1999). The song was written, composed and produced by Utada herself, and became her first ever single to have been done by her. "Movin' On Without You" was written, produced and composed while Utada was attending college in Tokyo, Japan, during 1997. Utada, who received a record contract by Toshiba-EMI, had written an English-language version of the song, but the song remains unreleased.

Musically, the song utilizes dance-oriented music from the mid-1990s and also incorporates the use of R&B music from the parent album and house music. Lyrically, the song talks about an independent woman who can deal outside off a relationship. The song received favorable reception from most music critics, who praised the musical arrangement and praised Utada's vocals and songwriting. Some have even dubbed the song as a "J-Pop classic" and view it as a memorable song in Japanese music. An accompanying music video was shot for the single, which featured Utada on a chair in a computer lab and dancing to the song.

Commercially, the song was successful in her native Japan. Both released as an 8 cm and normal compact disc, the song peaked at number five and number one on the Oricon Singles Chart, which the latter format became her first number one single in Japan. To date, the song is her fifth-best selling physical single with over 1.22 million units sold in the country. "Movin' On Without You" has been played live on several occasions including international tours Utada United 2006, Utada: In the Flesh 2010 and Wild Life.

Born and raised in Manhattan, New York City, Hikaru Utada had started singing at a very young age; she was a member of U3, a musical act with her mother Keiko Fuji and her father Teruzane. U³ released their debut album Star in 1993, with the hope to debut in America; the album failed to gain any recognition or chart positions. Utada's mother was a Japanese enka singer and actress, who released several albums with some topping the Oricon charts during the 1960s and 1970s period, while her father was a Japanese record producer who had contributed to some of Fuji's work. In 1996, the group was rebranded as Cubic U, an R&B project that focused primarily on Hikaru, resulting in the English language album Precious in 1998 with record label Toshiba EMI.

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