The Cro-Magnons (ザ・クロマニヨンズ, Za Kuromaniyonzu) is a Japanese rock band founded in July 2006 by Hiroto Kōmoto (vocals) and Masatoshi Mashima (guitar), both previously of The Blue Hearts and The High-Lows, with Masaru Kobayashi (bass) and Katsuji Kirita (drums).

Due to an introduction from a recording engineer named Satoshi Kawaguchi, known from the time of The Blue Hearts, Kobayashi and Kirita joined the formation of The Cro-Magnons.

With their album due to be finished in the winter of 2006, they appeared all over the country in summer music events without announcement and without a name.

Before their live performance on Osaka's "Meet The World Beat 2006," news of their appearance was leaked and some of the crowd called out "Hiroto!

[1] The band had a second tour in early 2007, entitled "Haru no Uraura Matsuri" (春のウラウラ祭り Spring Gently Shining Festival), with 16 performances nationwide.