Mikko Härkin (born 25 May 1979 in Kuopio, Finland) is a Finnish power metal keyboardist, who has performed with Sonata Arctica[1] and Kenziner.

Sonata Arctica's first live CD, named Songs of Silence, featured Härkin on keyboards.

[citation needed] In 2003, Härkin started a band named Wingdom with vocalist Sami Asp, Alessandro Lotta (ex-Rhapsody), Markus Niemispelto, and guitarist Jukka Ruotsalainen.

He worked on Solution .45's debut album For Aeons Past, alongside Jani Stefanovic and ex-Scar Symmetry vocalist Christian Älvestam.

In 2010 Härkin joined Symfonia, a power metal supergroup with André Matos, Timo Tolkki, Jari Kainulainen and Uli Kusch.