Matti Juhani Raekallio is a Finnish pianist.
Raekallio studied in Helsinki, Vienna with Dieter Weber, London with Maria Curcio and Saint Petersburg. In 1996, his doctoral thesis at the Sibelius Academy was Sormituksen strategiat. He debuted at Carnegie Hall in 1981. A professor at the Swedish Royal College of Music, Hochschule für Musik, Theater und Medien Hannover and the Sibelius Academy, Raekallio trained Antti Siirala and Gergely Boganyi at the latter. He is a scholar on piano playing technique and a former member of the Research Committee on Culture and Society of the Finnish Academy of Science and Letters. He taught at the Juilliard School from 2007 to 2014 while giving master classes in many countries. In 2014, he decided to leave the Juilliard School and started to teach at the Hochschule für Musik, Theater und Medien Hannover again. His most famous student is Igor Levit, who credits Raekallio as a major influence.
Since 2015, he has been back in New York City, teaching at the Juilliard School. Since the 2020-2021 season, Raekallio has been again Professor of Piano at the Sibelius Academy.