Jonne Valtonen is a Finnish composer, arranger and orchestrator.

Jonne Valtonen has been arranging and orchestrating music for video game concerts since 2005. He has earned worldwide recognition as the main arranger of major video game music concerts, namely Symphonic Shades - Huelsbeck in Concert (2008), Symphonic Fantasies - music from Square Enix (2009), Symphonic Legends - music from Nintendo (2010), Symphonic Odysseys - Tribute to Nobuo Uematsu (2011) and Final Symphony - Featuring music from Final Fantasy VI, VII and X (2013).

At the beginning of 2008, Jonne Valtonen took the position of the music lead for all live orchestra projects at Merregnon Studios.