Jonne Aaron Liimatainen (born 30 August 1983) is a Finnish singer.

He is known as the lead vocalist, composer, lyricist, and frontman of the Finnish glam rock band Negative.

In 2012, Aaron took part in the inaugurating series of Vain elämää, the Finnish version of The Best Singers series broadcast on Finnish Nelonen commercial television channel.

Jonne Aaron was born in Tampere, and is the brother of Ville Liimatainen, lead vocalist of the Finnish glam rock band Flinch.

He dated Star Wreck: In the Pirkinning actress Tiina Routamaa for nine years, but they separated in the summer of 2011.