15 is the third studio album by American rock band Buckcherry. It was released in Japan on October 17, 2005, through Universal Japan and on April 6, 2006, in North America, through Eleven Seven Music, as the label's first release. It features a new line-up. "Crazy Bitch" was the first single off the album and enjoyed success on the pop charts. The second single was "Next 2 You" which peaked at No. 18 on the Hot Mainstream Rock Tracks chart.

Buckcherry is an American hard rock band from Anaheim, California, formed in 1995. The band released two albums, Buckcherry (1999) and Time Bomb (2001), before dissolving in 2002. Buckcherry's first album Buckcherry was DreamWorks' first album to go gold. In 2005, lead vocalist Josh Todd and lead guitarist Keith Nelson reformed Buckcherry with a new lineup and released a new album in 2006, 15. It contained Buckcherry's biggest crossover hits to date, "Crazy Bitch", and their first Billboard Hot 100 top ten hit, "Sorry". The band continued to record albums, releasing five between 2008 and 2019: Black Butterfly in 2008, All Night Long in 2010, Confessions in 2013, Rock 'n' Roll in 2015, and Warpaint in 2019. Their ninth album Hellbound released in 2021, and their tenth and most recent album Vol. 10 released in 2023.