"Red" is a song recorded by American singer-songwriter Taylor Swift for her fourth studio album of the same name (2012). It was released on October 2, 2012, in the US by Big Machine Records as the second promotional single from Red in 2012 and serves as the album's fifth single on June 21, 2013. It was part of the tracks released during the four weeks preceding the release of the album. Musically, "Red" is a country song, and its lyrics uses colors and metaphors to describe an intense and tumultuous relationship.

The track received polarizing reviews from music critics, who praised its lyrics, but were ambivalent towards its composition. The song debuted at number six on the US Billboard 100 and at number one on the Hot Digital Songs chart. It also debuted at number two on the Hot Country Songs chart, behind Swift's previous single "We Are Never Ever Getting Back Together".

Swift previewed the track on the October 1, 2012 episode of ABC's Good Morning America. The song finds Swift playing with the idea of colors in relation to her emotions about a relationship. Before playing the track, Swift explained its meaning: "I wrote this song about the fact that some things are just hard to forget," she said, "because the emotions involved with them were so intense and, to me, intense emotion is red." Swift explained that she decided to name this song as her album title, as its lyrics encompass the entire theme of the project. "Thinking about what that means to me and all the different emotions that are written about on this album – they're all pretty much about the sexy, crazy, insane, intense, semi-toxic relationships that I've experienced in the last two years," I noted. "All those emotions – spanning from intense love, intense frustration, jealousy, confusion – in my mind, all those emotions are red. There's nothing in between; there is nothing beige about any of those feelings."

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