"Nosetalgia" is a song by American hip hop recording artist Pusha T from his debut studio album My Name Is My Name (2013). "Nosetalgia" features vocals from American rapper Kendrick Lamar, with production handled by Nottz, Kanye West and additional production by The Twilite Tone. The song features both artists rapping about their experiences and effects of cocaine on their childhoods. On February 3, 2014, the song was officially released as a single in the United Kingdom by GOOD Music and Def Jam Recordings as the album's fifth official single.

On September 16, 2013, Def Jam released the single artwork, and announced that "Nosetalgia" featuring Kendrick Lamar would be released soon. Later that same day the song would be premiered via Def Jam's website and then on Funkmaster Flex's Hot 97 radio show. The song's spare, nimble beat was produced by Nottz and Kanye West. Its production contains a "muggy guitar, rattling clave, dinosaur-plodding drums, and the occasional KRS-One sample of "The Bridge Is Over". The song also samples Bobby Bland's "(If Loving You Is Wrong) I Don't Want to Be Right" and Malcolm McLaren & World's Famous Supreme Team's "D'Ya Like Scratchin'?". The following day it would be released to DJs as the album's third promotional single, and then be released for pre-order with the album on iTunes. "Nosetalgia" was officially released as a single in the United Kingdom on February 3, 2014, serving as the fifth overall single from the album.

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