"Break Out!" is a Japanese-language song by Tohoshinki. It was the group's 29th Japanese single, released in Japan on January 27, 2010 by Avex Group's sublabel Rhythm Zone. It was later included in their first Japanese compilation album, Best Selection 2010. It was used as the drama Tomehane! Suzuri Kōkō Shodōbu 's theme song. The single debuted on top of the Oricon daily chart with 169,842 copies sold. Altogether it sold 255,917 copies, topping the monthly chart as well, first time in the band's history. It also broke the previous record for a single of most copies sold in the first week of release held by Elton John.

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