"Again" is a song by American singer-songwriter Janet Jackson, appearing first as the closing song to Jackson's debut film, Poetic Justice (1993), and later included on her fifth studio album, janet. (1993). Written and produced by Jackson, Jimmy Jam and Terry Lewis, the ballad was released as the album's third single on October 12, 1993 by Virgin Records, and talks about reconnecting with an old flame. Originally an experimental sound Jam and Lewis was considering for the album, they did not give the song serious contemplation until the film producers from Poetic Justice requested a ballad for the film's soundtrack.

Critics were divided with "Again". Some critics praised it as a highlight from janet. and a classic, while other critics responded negatively to its sentimental lyrical content. However, "Again" became a commercial success, topping the US Billboard Hot 100 for two weeks in late 1993, while also reaching the top-ten in Canada, Sweden and the United Kingdom, and reaching the top-twenty elsewhere.

"Again" received Golden Globe and Academy Award nominations for Best Original Song. Two music videos for the song, directed by Jackson's then-husband René Elizondo, Jr., were released: one with and other without scenes from Poetic Justice. The song was covered by How to Dress Well for his second album, Total Loss and sampled by Iyaz on his single "Solo".

In 1992, Jackson filmed her first film, Poetic Justice, prior to recording a new album. In "Poetic Justice", Justice (Jackson) uses her poetry to deal with her grief after her boyfriend is killed in a shooting incident at a drive-in. After shooting the film, Jackson started recording a new album, declaring that the film inspired her to take new direction in her music, "Rhythm Nation was a heavy record, and Poetic Justice was a heavy movie. I wanted to do something lighter but also daring ... When I wrote the album, I was still in a poetic frame of mind, inspired by Maya's beautiful language."

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