Concert on the Rock was an international rock festival that took place in Nakatsu city, Ōita Prefecture, Japan. The concert aided UNICEF, and was established in 2004.
The concert had J-Pop, rock, salsa, cumbia, reggae, punk, dance, nu jazz, and traditional folk performances. The 2005 edition was held on May 14 and 15. Due to noise complaints, organizers decided to discontinue the event.