"Addicted to You" is a song by Japanese recording artist Utada Hikaru from her second studio album Distance (2001). It was released as the album's lead single on September 6, 1999 by EMI Music Japan. "Addicted to You" was written by Utada and produced by Jimmy Jam & Terry Lewis; this is her first collaboration with American producers and composers. The single artwork was shot by American photographer Richard Avedon and features two black-and-white figures of Utada. Musically, "Addicted to You" is a R&B and rock song.

"Addicted to You" received positive reviews from music critics, many who highlighted it from the parent album; one music critic viewed the single as "nostalgic". It achieved commercial success in Japan, with a peak position of number one on the Oricon Singles Chart and a million certification by the Recording Industry Association of Japan (RIAJ). The single remains the fourth highest selling single in first week sales, and the thirty-ninth best selling single in Japan. A music video was shot in Hong Kong, and featured Utada inside a club.

"Addicted to You" was written by Utada and produced by Jimmy Jam & Terry Lewis; this is her first collaboration with American producers and composers. The song was recorded in mid-1999 at Flyte Tyme Studios, Minneapolis, Minnesota and mixed at Flyte Tyme, Edina, Minnesota. Darnell Davis played the keyboard and Alex Richbourg played the drums. There are two versions of the track: the Up-in-Heaven mix and the Underwater mix. EMI did not originally select "Addicted to You" as the lead single as they feared it would not make impact in Japan. The song was then re-composed in order to appeal more to the Japanese audience. "Addicted to You" is a rock and R&B song.

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