Janne Juhani Mertanen (born 28 August 1967 in Joensuu, Finland) is a Finnish classical pianist.
He has studied at the Joensuu Conservatory under Matti Haapasalo and at the Sibelius Academy as a student of, among others, Erik T. Tawaststjerna.
Janne Mertanen has studied at the Joensuu Conservatory as a student of Matti Haapasalo and at the Sibelius Academy where his teachers included Erik Thomas Tawaststjerna and Dmitri Bashkirov.
He then completed his studies with Lazar Berman at the Accademia Pianistica in Imola, Italy.
In March 2010, he made his South American debut as the soloist of Schumann’s piano concerto with the Orchestra of the National Theater of Brazil.