K-1 PREMIUM 2006 Dynamite!!

K-1 PREMIUM 2006 Dynamite!! was an annual kickboxing and mixed martial arts event held by K-1 and Hero's on New Year's Eve, Sunday, December 31, 2006 at the Kyocera Dome Osaka in Osaka, Japan. It featured 10 HERO'S MMA rules fights, and 4 K-1 rules fights.

The event attracted a sellout crowd of 51,930 to the Kyocera Dome Osaka, and was broadcast live across Japan on the TBS Network.

The main event between Kazushi Sakuraba and Yoshihiro Akiyama was ruled to be a No Contest after it was determined that Akiyama had applied an illegal substance.

Dynamite!! 2006 was also the final time Genki Sudo stepped into the ring as after his match, Sudo shocked the crowd by announcing his retirement.