"Potential Breakup Song" is a song co-written and performed by American duo Aly & AJ and is the first single from their third studio album, Insomniatic. It was released on June 26, 2007, going on to top many video countdowns, and becoming Aly & AJ's most successful single to date. In November 2020, the song saw a resurgence in popularity due to its widespread use on the app TikTok, receiving over 26 million viewers for the month.
At the time of its release, it was the highest-selling single by a Hollywood Records artist, as it was certified platinum by the RIAA for sales over 1,000,000 copies. Time magazine ranked "Potential Breakup Song" the ninth best song of 2007. The song received positive reviews from other music critics as well, many praising its lyrical content and its maturity, as well as the "adventurous" synth-based production.
In December 2020, a re-recorded version of the song was released by the duo, this time with explicit lyrics.