"Legacy" is a song by American hip hop recording artist Eminem, taken from his eighth studio album The Marshall Mathers LP 2 (2013). The song discusses Eminem's dysfunctional childhood. The song was produced by American record producer Emile Haynie and written by Eminem, Polina Goudieva, David Brook, and Emile Haynie. The song features additional vocals from Russian singer-songwriter Polina. "Legacy" was met with generally positive reviews from music critics upon the album's release. The song has since peaked at number 44 on the US Billboard Hot R&B/Hip-Hop Songs. "Legacy" became one of the official theme songs of WrestleMania XXX.

The song primarily discusses Eminem's dysfunctional childhood upbringing in Detroit, Michigan. The song mirrors "Lose Yourself" in explaining how important music was in directing the young Eminem's life. He cites Queens' hardcore hip hop group Onyx as an example of what he would listen to at the time. The song recounts how shy and awkward Eminem was as a child, even being shoved into a locker in school, and then details how he gained self-esteem and hope through rap. In the end, he discovers rapping is his legacy and that having his brain "wired differently" was worth it.

Eminem has stated that he intended for the song to be "self-empowerment" for those whom nobody believed in. The song contains numerous football references, including Brian Dawkins, Detroit Lions, New York Giants, Atlanta Falcons, Miami Dolphins, the Body Bag Game, Dick Butkus, and Brian Baldinger. Most notably, he mentions the Detroit Lion's 0-16 2008 season. Onyx's Fredro Starr praised Eminem for mentioning the group. He also pointed out that it connected the two Marshall Mathers LPs, as Onyx's Sticky Fingaz was featured on The Marshall Mathers LP on the song "Remember Me?".

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