R・O・N (Outside of Japan he uses RON), real name: Iida Ryuuta (飯田龍太), is a Japanese musician and sound producer, born on 19 February 1982, in Tokyo, Japan. He belongs to Lantis' MellowHead Label. He is the vocalist and pianist of the band ROSARYHILL under his real name. He worked as the sound producer and guitarist for the band OLDCODEX until he quit in December 2012.

He is also known for providing background music for anime and games, as well as being involved in making songs for other artists such as 新谷良子, 鈴木達央, News, and Coming Century.

In 2013, he started using the alias STEREO DIVE FOUNDATION for his music project. His first work is the ending theme song to the TV anime Kyoukai no Kanata, “Daisy”. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.