Sampo Haapamäki (born 3 February 1979) is a Finnish composer.
Haapamäki studied at the Sibelius Academy in Helsinki with Tapio Nevanlinna and Veli-Matti Puumala.
He has also studied with Claus-Steffen Mahnkopf in Leipzig, Germany and with Tristan Murail at Columbia University.
Haapamäki has embraced a quarter-tone based language since 2004.
This article about a Finnish musician is a stub.