"Crushcrushcrush" is a song by American rock band Paramore, and is the third single from the group's second studio album, Riot!. The official music video premiered on TRL on October 16, 2007. The single was released in late 2007. It was made available in the United Kingdom for download from November 5 and purchase on November 26, 2007. The single is also playable on various music video games such as Rock Band,Rock Band Unplugged, Guitar Hero On Tour: Decades, and Ultimate Band. The single won a Teen Choice Award for "Choice Rock Track". It was also used briefly in NCIS, in the episode "Stakeout". On March 24, 2016, the song was certified Platinum in the United States for selling over 1,000,000 copies.

Alex Fletcher at Digital Spy described the song as having "Juicy riffs, a humongous chorus, a cheesy breakdown." Fletcher also commented on the song being more Kelly Clarkson and Avril Lavigne than Metallica. It is observed as a very catchy song at BBC News Online, whom stated "The further into it you get, the better it becomes with some brilliant and energetic guitars joining in." Ed Masley at The Arizona Republic ranked it as the 12th best Paramore song, stating "As for the crushes in the title, they're whispered in a voice that may be best described as sinister. And the guitar licks seal the deal."

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