Don't Don (Korean: 돈 돈!) is the second studio album by Korean boy band Super Junior. It was released by SM Entertainment on September 20, 2007 in South Korea. This is the group's first album as thirteen members, with the addition of Kyuhyun a year prior. Slightly different from their first album, this album focuses on more different kinds of pop melodies, most notably on those that approach alternative rock, modern R&B and retro dance-pop, with almost all tracks in the album containing string sections. 60,000 copies were sold within the first week of release and 164,058 copies were sold by the end of December, and was certified as the second best-selling album of 2007, with the first being SG Wannabe's fourth studio album, "The Sentimental Chord."

Two different repackaged versions, one with three new tracks and a remixed track, and another with one remixed track and a DVD, was released on November 5, 2007 and November 9, 2007 respectively in South Korea. A digital disc version of the album was released on November 27, 2007.

When promotions for Super Junior's previous hit single, "U" completed, SM Entertainment announced that the group were processing on the beginning touches for their second full-length album, with an expected November 2006 release. However, due to Heechul's car accident on August 10, 2006, schedules regarding album recordings had to be postponed. Another car accident involving four other members on April 19, 2007 also affected the album schedules. Kyuhyun, the most injured out of the four, was not discharged from the hospital until July 5, 2007.

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